* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Download Indonesia - SHS Specifications-Sept_2002
Fault tolerance wikipedia , lookup
Power inverter wikipedia , lookup
Electrical ballast wikipedia , lookup
Immunity-aware programming wikipedia , lookup
History of electric power transmission wikipedia , lookup
Variable-frequency drive wikipedia , lookup
Current source wikipedia , lookup
Resistive opto-isolator wikipedia , lookup
Switched-mode power supply wikipedia , lookup
Solar micro-inverter wikipedia , lookup
Electrical substation wikipedia , lookup
Power electronics wikipedia , lookup
Voltage regulator wikipedia , lookup
Buck converter wikipedia , lookup
Power MOSFET wikipedia , lookup
Distribution management system wikipedia , lookup
Electric battery wikipedia , lookup
Stray voltage wikipedia , lookup
Alternating current wikipedia , lookup
Voltage optimisation wikipedia , lookup
Opto-isolator wikipedia , lookup
Surge protector wikipedia , lookup
SHS/PSG INDONESIA: SOLAR HOME SYSTEMS PROJECT SPECIFICATIONS FOR SOLAR HOME SYSTEMS September 2002 1. Solar Home System Hardware Description 1.1. The Solar Home System (SHS) is intended to provide the user with a convenient means of supplying power for small electrical loads such as lights, radio/cassette players or TV. A typical SHS operates at a rated voltage of 12 Vdc and provides power for fluorescent luminaires, radio/cassette players, small black and white TV or similar low-power appliance for about three to five hours a day. Additionally, other types of luminaires, 12 Vdc or lower voltage socket outlets or a DC/AC inverter may be supplied as options. Each SHS consists of one or more photovoltaic (PV) modules with an output of 10 Wp or more charging a 12 Vdc lead-acid battery along with luminaires, related electronic and electrical components and mounting hardware. 1.2. The SHS is packaged and pre-wired to provide convenient installation at a remote customer home site by a qualified technician. The system is constructed such that a user can perform routine maintenance such as adding battery water and replacing light bulbs and fuses, and a technician can easily perform system diagnostics or replace components. 2. Certification Requirements 2.1. Products to be financed under the International Bank for Reconstruction and Development (IBRD)-assisted Solar Home Systems Project must have a type-test certificate from an accredited testing and certification organization acceptable to the Government of Indonesia and the IBRD stating that the Solar Home System meets or exceeds the specifications given in Annex 1. Organizations accredited according to ISO 25 or equivalent standards will be acceptable for issuing the component certifications. 2.2. SHS components or systems that bear the Photovoltaic Global Approval Program (PV GAP) Mark or Seal will be acceptable for use in the SHS Project. PV GAP is a Geneva, Switzerland-based, not-for-profit international organization, dedicated to the sustained growth of global photovoltaics (PV) markets to meet energy needs worldwide in an environmentally sound manner. For more information see http://www.pvgap.org/. 2.3. A maximum measurement error of 3 percent is permitted on all tests of compliance. 2.4. The supplier provides the most appropriate system integration, components, assembly and packaging that meet all the component specifications in Annex 1 - Solar Home System Specifications September 2002 Page 1 of 16 SHS/PSG Solar Home System Component Specifications and the best practices recommendations in Section 3. 3. Recommended Best Practices This section provides a minimum set of requirements that shall be followed in the design, specification and installation of the qualified SHS. They form a set of “Best Practices” which when followed will ensure adequate levels of safety, performance, reliability and system lifetime. Suppliers are required to adhere to these Best Practices in order to participate in the Indonesia SHS Project. 3.1. PV Module Installation a). If more than one module is used, identical models shall be used and they shall be connected in parallel. b). For SHS installed permanently on a structure (in contrast with portable units): i. The modules must be framed in such a way as to allow secure connection to the module mounting structure. ii. The array mounting structure will hold the photovoltaic module(s). The module(s) must be mounted on a support structure made of corrosion resistant material that assures stable and secure attachment. iii. The PV array and support structure must be able to withstand wind gusts up to 100 km/hour without damage. iv. The structure must be mounted at a fixed angle and oriented to maximize the useful energy supplied to the user during the design month (i.e., the month with the worst average daily insolation). Array orientation must be adjustable in the field. v. The structure will incorporate corrosion resistant hardware for all external connections. These include the modules to structure, structure to pole and pole to building attachments. vi. The modules can be roof or ground-mounted: Roof-mounting: Minimum clearance between the PV array and the roofing material must be at least 20 cm above the roofing material. It is recommended that the module mounting structure be supported on top of a pole of at least 50 cm length. Anchoring of the mounting structure must be to the building and not to the roofing material. Ground-mounting: A metal, concrete or treated wood pole must be used with the modules attached at the top of the pole. The modules must be at least 4 meters off the ground. The pole must be anchored in concrete or tightly packed soil at least one meter deep in the ground. The pole and mounting structure must be Solar Home System Specifications September 2002 Page 2 of 16 SHS/PSG sufficiently rigid to prevent twisting in the wind or if large birds alight on the array. 3.2 Circuit Protection and Charge Controls a). Systems must include a means to protect users and system components from the following: i. Battery overcharge and excessive water loss. ii. Battery undercharge and excessive deep discharge. iii. Circuit protection against short circuit of any load. iv. Circuit protection against reverse polarity of any load. v. Circuit protection against reverse polarity of module or battery. vi. Circuit protection against internal shorts in charge controller, inverter or other devices. vii. Circuit protection against damage by the high PV open circuit voltage when it is connected to the controller without battery. viii. Protection of controls against lightning induced transients. ix. Night time discharge of the battery due to reverse current through the array. 3.3. b). For most systems this protection will be provided by a charge controller incorporation a high voltage disconnect (HVD), low voltage disconnect (LVD) and circuit protection. Devices that integrate the following into a single device are strongly encouraged for all SHS sizes but alternate approaches will be considered. c). A solid state photovoltaic charge controller is required for all systems. System Monitoring a). A display to indicate when the battery is in the charging mode must be provided. In systems without charge controllers, there must be a means for indicating that the battery is fully charged so that the user can be alerted to prevent overcharging the battery. b). Some form of a Battery State-of-Charge indicator must be provided on or near the controller or load center. c). This device must, at a minimum, indicate when the battery condition is: Suitable to operate loads (e.g. voltage greater than 12.5 Vdc) Energy conservation required (e.g., battery voltage less than 11.8 Vdc) Solar Home System Specifications September 2002 Page 3 of 16 SHS/PSG The indicators may be LED's, or analog or digital meters. d). 3.4 3.5. The chosen device must come appropriately labeled such that the user does not have to refer to a manual to understand the existing battery condition. Batteries a). Batteries should be selected and sized to offer a three year useful life under anticipated operating conditions. b). Shallow-cycle automotive-type batteries can be used if adequate capacity is provided to protect against frequent deep discharges. The battery capacity shall be at least 1.4 rated amp-hours per Wp of PV array capacity. The rated amp-hour capacity is measured at 25 degrees Centigrade at the C/20 discharge rate down to a voltage of 1.75 volts per cell. c). The rechargeable battery will preferably consist of one 12 Vdc lead-acid battery. d). For flooded-electrolyte type cells, the electrolyte volume must be sufficient to allow at least eight weeks of continuous operation of the SHS as per specification without the addition of distilled water. e). The batteries can be supplied either in a wet-charged or dry-charged condition. If dry-charged, all chemicals and electrolyte must be supplied in accordance with battery supplier specifications. The battery and associated containers should be packaged to handle transport down rough dirt roads. Equipment Enclosure a). The equipment enclosure(s) will house the batteries, charge controller, charge indicators, low voltage disconnect, and all interconnecting wiring. b). The batteries must be housed in a vented compartment. All parts of the compartment subject to battery acid contact must be acid resistant. This compartment must be built strong enough to accommodate the weight of the battery. This compartment must adequately support and vent wet, lead-acid batteries. Access to the battery compartment by children must be prevented. c). The remainder of the system components (electronics, switches etc.) must be housed in a separate compartment or enclosures which prevents the system components being affected by battery acid spills or fumes. The compartment or enclosure design must allow the internal electronic equipment to operate within acceptable operating temperature limits. d). The enclosure must be constructed of a durable material so as to last 10 years without maintenance. Solar Home System Specifications September 2002 Page 4 of 16 SHS/PSG 3.6. Wiring a). Stranded and flexible insulated copper wiring must be used. Minimum acceptable cross-section of the wire in each of the following sub-circuits is as follows: i. From PV module to regulator/controller: 2.5 mm2 ii. From regulator/controller to battery: 2.5 mm2 iii. From controller to loads: 1.5 mm2 b). Notwithstanding the above minimum wire size requirements, all wiring must be sized to keep line voltage losses to less than 5% in each sub-circuit and to allow the circuit to operate within the ampacity rating of the wire. c). For SHS permanently installed on a structure, all exposed wiring (with the possible exception of the module interconnects) must be in conduits or be firmly fastened to the building structure. Wiring through roofing, walls and other structures must be protected through the use of bushings. Wiring through roofing must form a water-proof seal. Where the wiring is through flammable material (e.g. thatched roofs), they must be in a metal conduit. Adequate fasteners, conduits, bushings and other installation hardware must be supplied. d). Field-installed wiring must be joined using terminal strips or screw connectors. Soldering or crimping in the field must be avoided if at all possible. Wire nuts are not allowed. The rated current carrying capacity of the joint must not be less than the circuit current rating. All connections must be made in junction boxes. Fittings for lights, switches, and socket outlets may be used as junction boxes where practical. e). All wiring shall be color coded and/or labeled. 4. Documentation The component specifications should be summarized in Annex 2 - Solar Home System Specification Data Sheet along with the required test certificates. Any exceptions and variations to the specifications must be explicitly stated in a section entitled Exceptions and Variations in Annex 2. The scope and reasons for each listed exception and variation must be fully explained with supporting data. 4.1. Users Manual The solar home system (SHS) supplier must provide a User’s Manual intended for the customers and will be included with each of the packaged systems. The manual must be in Indonesian language. The User’s Manual documentation should be simple and easy to understand. Use of sketches or graphics should be used to make the manual easier to use. The documentation is to include the following: Solar Home System Specifications September 2002 Page 5 of 16 SHS/PSG a). How the SHS works: battery charging by the array, functions, battery low voltage protection, and battery overcharge protection. The relationship between energy available on a daily basis and sunlight conditions should be clearly and simply explained. b). A description of all user interactive hardware including disconnect switches and status indicators. c). Procedures for proper system operation, including a list of load limitations and any problem loads. These procedures should include suggested operation, including load conservation, during periods of inclement weather, and/or a low voltage disconnect event. The procedures for checking that the photovoltaic array is not shaded and how to prevent shading must be explained. For portable SHS, instructions must be given on how to orient the PV module to maximize energy generation. For systems without charge controllers, procedures for preventing overcharging must be given. d). Any user maintenance items. e). Emergency shut down procedures and recommendations for extended periods of system non-use. f). A user trouble shooting guide. g). A block diagram showing the main components. 4.2. Technicians Manual The supplier must provide a Technician’s Installation, Operations and Maintenance Manual to be used by the service technicians. The manual must be in Indonesian language. The manual will include the specific details on installation, operation and maintenance a). A detailed technical description of the system. b). A complete copy of the Users Manual. c). A complete list of all system components, with associated manufacturers literature, specifications, and warranties. d). Complete installation instructions. e). Recommended post-installation acceptance test procedures, including all appropriate set points and test procedures. They will include: Verify that the installation of the photovoltaic array with regard to position, direction, inclination and shading avoidance will maximize energy generation. Solar Home System Specifications September 2002 Page 6 of 16 SHS/PSG Ensure that the battery has received an equalization charge just before installation. How to use a shunt to measure the current and voltage from the array under charging conditions to verify the array charging current. The shunt resistor rating should be approximately equal to Vmp2/Wp. Where Vmp is the voltage at maximum power point of the PV module and Wp is the Peak Watt rating of the module. The wattage rating of the shunt resistor should be equal to the peak watt rating of the module. For a 30 Wp module, a shunt resistor rated at 30W/10 and for a 50 Wp module the shunt resistor rated at 50W/6 can be used. Test all of the loads for proper operation. Make system-wide voltage drop measurements in the sub-circuits to verify that connections meet the required maximum allowable voltage drop. Note all measurements in the installation log. Explain to the user the system operating principles, load management requirements, impact of shading of the array and how to check and avoid it, user maintenance checks and how to conduct them. f). A recommended annual maintenance schedule, with complete maintenance instructions. g). A detailed trouble shooting guide referencing all the system components. This shall include repairs and diagnostic procedures that can be done by the supplier or a qualified third party. Repairs and procedures not to be attempted by nonelectricians and/or electricians unfamiliar with photovoltaic systems shall also be identified. h). A functional block diagram, electrical single-line drawing showing the placement of all hardware and ratings of all component and physical layout diagram. i). Emergency shut down procedures. 5. Packaging and Delivery 5.1. The SHS supplier must obtain the PV system equipment and components, assemble and wire them into integrated packaged SHS in accordance with the proposed design, and deliver the packaged SHS to the user. 5.2. Each system must be packaged for shipping to prevent any shipping related damage. The supplier will be responsible for settling any shipping related damaged claims and will be responsible for replacing damaged systems in a timely manner. Annex 1 SOLAR HOME SYSTEMS COMPONENT SPECIFICATIONS Solar Home System Specifications September 2002 Page 7 of 16 SHS/PSG 1. General 1.1. The supplier will provide at a minimum a six month warranty against manufacturers defects on all system integrated parts and labor excluding fuses or end-use devices such as luminaire or lamps. On all major individual components, manufacturers warranties will be passed through to the user. Specifically, the PV modules should be warranted against reduction of output of no more than 10 percent of rated capacity over a minimum of ten year period. The charge controller, low voltage disconnect, switches, and charge indicators should be warranted for at least one year. The battery should be warranted for at least six months. Battery end-of-life will be determined when the battery capacity down to 1.75 V/cell at 25 degrees centigrade drops to less than 80 percent of the initial rated capacity. All warranties will start from the day the system is accepted by the user. 1.2. Nominal system voltage (rated voltage) shall be 12 Vdc. 1.3. The entire SHS system must be designed and constructed so that it requires maintenance and inspection by a technician no more frequently than once every six months. 1.4. The main components shall be integrated in such a way as to allow replacement (in case of failure) with a similarly functioning component of a newer design or a different brand. This will allow for future component evolution or variability of future component availability. 1.5. With the exception of the PV module(s), the supplier shall deliver the system to the user with as many components pre-assembled and pre-wired as is feasible prior to shipment. 1.6. All components, including spares, will undergo full bench testing at the supplier factory or the originating source factory with proper documentation supplied. All set point voltages will be verified and documented with the results dated and the records maintained at the suppliers facility. 2. References The following are applicable standards: Standar Nasional Indonesia (SNI) 04-6391-2000: Battery Charge Regulator (BCR), Test Procedures and Electrical Requirements SNI 04-6392-2000: Cell and Secondary Battery for Individual Photovoltaic Generation System – General Requirement and Testing Method SNI 04-6393-2000: Fluorescent Lamp System with Photovoltaic Electrical Supply Requirement and Electrical Performance Test Procedure SNI 04-6394-2000: Individual Photovoltaic Power Generation System Classification Procedure – General References Solar Home System Specifications September 2002 Page 8 of 16 SHS/PSG Standar Industri Indonesia (SII) Specification No. 0160-77 Lead-acid battery requirements and qualifications International Electrotechnical Committee (IEC) 61215: 1993 Crystalline Silicon Terrestrial PV Modules – Design Qualification and Type Approval IEC 61646: 1996 Thin Film Silicon Terrestrial PV Modules – Design Qualification and Type Approval IEC 60904-1:1987 Photovoltaic Devices Part 1 – Measurement of PV Current-Voltage Characteristics IEEE 1262: 1995 Recommended Practice for Qualification of Photovoltaic Modules, April 1996 PV GAP Recommended Standards (various). See “Standards and Specifications in http://www.pvgap.org for updated list of standards. 3. Operating Environment 3.1. The entire system shall be designed and built to withstand the environmental conditions found in Indonesia. For design purposes, consider that temperature extremes could range from +10 to +40 degrees Centigrade and humidity levels could reach 90 percent. 3.2. All wiring, enclosures, and fixtures that are mounted indoors must be resistant to high humidity conditions, corrosion and insect and dust intrusion. 4. Photovoltaic Array 3.1. The photovoltaic array will consist of one or more flat-plate photovoltaic modules. Each module should comprise of no less than 36 series-connected single or polycrystalline silicon solar cells. Flat plate thin-film modules could also be used. 3.2. The photovoltaic array should have a peak power output of at least 10 Wp, under Standard Test Conditions (STC) as defined in IEC 60904-1. The peak power output for thin film modules should be the value after light soaking. 3.3. The single-crystalline or poly-crystalline modules must be product tested and certified in accordance with IEC 61215 or equivalent specifications. If thin-film photovoltaic modules are used, they must be product tested and certified in accordance with IEC 61646 or equivalent specifications. Crystalline or thin film modules that meet IEEE Specification 1262-1995 will also be acceptable. 3.4. Each module must be factory equipped with either (a) weather-proof junction box with terminal strip that allows safe and long lasting wiring connection to the module, or (b) output cable that connects the module via a sealed weather proof termination. Solar Home System Specifications September 2002 Page 9 of 16 SHS/PSG 3.5. Each module must be labeled indicating at a minimum: Manufacturer, Model Number, Serial Number, Peak Watt Rating, Peak Current, Peak Voltage, Open Circuit Voltage and Short Circuit Current of each module. 4. Battery Storage 4.1. The maximum permissible self-discharge rate is 10 percent of rated capacity per month at 25 degree Centigrade. 4.2. Cycle life of the battery (i.e., before its residual life drops below 80 percent of the rated Ah capacity), at 25 degree Centigrade must exceed 200 cycles when discharged down to an average depth of discharge (DOD) of 75 percent. 4.3. The battery must be production tested and certified in accordance with Standar Industri Indonesia (SII) Specification No. 0160-77, or SNI 04-6392-2000, or better qualification tests. 5. Charge Controller 5.1. The charge controller must meet SNI 04-6391-2000, or equivalent requirement. At a minimum, the following requirements must be met: 5.2. The charge controller set points must be factory preset with the set points applicable to the specified battery characteristics. It is recommended that circuitry to allow boost charging the battery be provided. 5.3. The charge controller must be capable of handling 125% of the array's rated short circuit current for one hour duration. 5.4. The charge controller must be able to withstand 125% of the array’s rated open circuit voltage with the battery removed from the circuit for one hour duration. 5.5. Maximum current draw of the controller, when no LED’s are lit should not exceed 10 mA. 5.6. The model number, serial number, rated voltages and currents, and set points should be noted on the charge controller case. 6. Protective Devices 6.1. The protective devices must meet SNI 04-6391-2000, or equivalent requirement. At a minimum, the following requirements must be met: 6.2. Reverse current leakage protection is recommended. Blocking diodes or logic derived methods are both acceptable. If blocking diodes are used they must exhibit a low forward voltage drop. 6.3. The SHS must be protected against damage caused by short circuit of the input and output terminals, and reverse polarity of connections. Over-current protection must Solar Home System Specifications September 2002 Page 10 of 16 SHS/PSG be provided to prevent peak current to four times the maximum expected continuous current. Lightning induced surge protection is recommended. 6.4. Some means must be provided to safely disconnect the battery and the module during servicing or repair by a technician. 7. Load Control 7.1. The load control devices must meet SNI 04-6391-2000, or equivalent requirement. At a minimum, the following requirements must be met: 7.2. The load must be controlled by a low voltage disconnect (LVD) device. The LVD must be capable of handling at least 150 percent of the maximum expected continuous load (e.g., assuming all end use devices are simultaneously on). It should be factory preset to disconnect and reconnect voltages corresponding to the safe operation of the battery under ambient temperature conditions. For example, a disconnect voltage of 11.6 Vdc + 0.1 Vdc and reconnect voltage of 12.6 Vdc + 0.2 Vdc is suitable for safe operation of automotive-type lead-acid batteries used in SHS in Indonesia. Discharge of automotive-type lead-acid batteries below a depth of discharge of 50% of rated capacity must be avoided. 8. Fluorescent Luminaire 8.1. The luminaire must meet SNI 04-6393-2000, or equivalent requirement. At a minimum, the following requirements must be met: 8.2. Each fluorescent luminaire should have its own inverter (ballast). 8.3. The inverter electrical efficiency must be greater than 80 percent from 11.0 to 13.3 V when using the fluorescent lamp specified by the luminaire supplier. 8.4. The minimum operating voltage when the tube will strike (start) should be at least 85% of the rated input voltage when using the fluorescent lamp specified by the luminaire supplier. 8.5. Maximum continuous operating voltage without damage to the inverter circuit must be at least 125% of the rated voltage. 8.6. The minimum operating frequency should be 20 kHz. 8.7. The electrical waveform at the fluorescent lamp terminals must be symmetrical in time to within 10 percent (i.e., 60%/40% waveform maximum difference in symmetry over the voltage range of 11.0 to 12.5 Vdc at an ambient temperature of 25 degree C). 8.8. The maximum crest factor (ratio of maximum peak to RMS voltage of the waveform applied to the fluorescent lamp) shall be less than 2. Solar Home System Specifications September 2002 Page 11 of 16 SHS/PSG 8.9. The input connections to the inverter should prevent the application of voltage with reverse polarity, or the inverter should be protected against damage when the rated voltage is applied with reverse polarity. 8.10. The inverter should be protected against damage by the application of voltage under open circuit conditions (e.g., when the light bulb is removed or has failed). The maximum input current draw under open circuit conditions should be no more than 200 mA. 8.11. Inverter or the luminaire must be marked with the manufacturer, model number, rated voltage, wattage and date of manufacture or batch number. 9. Socket Outlet 9.1. A 12 Vdc and/or lower voltage socket outlet for a radio/cassette player, TV or similar appliance must be rated to carry the maximum expected DC current. The outlet must be protected from reversing the polarity of the voltage applied to the appliance. Solar Home System Specifications September 2002 Page 12 of 16 SHS/PSG Annex 2 Solar Home System Specification Sheet 1. Photovoltaic Module(s) (a) Model Number ______________________________________________________ (b) Type (a-Si, crystalline Si,. etc.) __________________________________________ (c) Number of cells in series _______________________________________________ (d) Rated peak power (Pmax) ___________________________________________ Wp (e) Open circuit voltage _________________________________________________ V (f) Short circuit Current _________________________________________________ A (g) V max ____________________________________________________________ V (h) I max _____________________________________________________________ A (i) NOCT _________________________________________________________deg C (j) Test Certification Standard _____________________________________________ (k) Test Laboratory ______________________________________________________ (Attach I-V curve and copy of test certificate) 2. Support Structure (a) Type______________________________________________________ (roof/pole) (b) Material ____________________________________________________________ 3. Battery Storage (a) Model Number ______________________________________________________ (b) Number of batteries ___________________________________________________ (c) Rated voltage _______________________________________________________ V (d) Structure and material of positive plate ___________________________________ (e) Capacity per battery at C/20 down to 1.75V/cell __________________________ Ah (f) Self discharge rate ___________________________________________(%/month) Solar Home System Specifications September 2002 Page 13 of 16 SHS/PSG (g) Cycle life down to 75 percent of DOD ____________________________________ (h) Electrolyte volume _______________________________________________ liters (Attach test certificate) 4. Charge Controller (a) Model number _______________________________________________________ (b) Rated voltage _______________________________________________________ V (c) Boost charging method ________________________________________________ (d) Charge indicator? ______________________________________________ Yes/No (e) Maximum current handling capability ___________________________________ A (f) Maximum current draw when no LED’s are not lit _______________________ mA (Attach Test Certificate) 5. Protective Devices (a) Type of current leakage protection _______________________________________ (b) Short circuit protection? _________________________________________ Yes/No (c) Reverse polarity protection? ______________________________________ Yes/No (d) Over current protection? _________________________________________ Yes/No (e) Battery open circuit protections ___________________________________ Yes/No (f) Lightning surge protection? ______________________________________ Yes/No (g) Module/battery/loads disconnection method _______________________________ (Attach test certificate) 6. Load Control (a) LVD maximum current handling capability _______________________________ A (b) LVD set points (i) Disconnect voltage ________________________________________________ V (ii) Reconnect voltage ________________________________________________ V (Attach test certificate) Solar Home System Specifications September 2002 Page 14 of 16 SHS/PSG 7. System Monitoring (a) Charging indicator type ________________________________________________ (b) Battery State-of-Charge meter/indicator? ____________________________ Yes/No (c) Type of Indicator _____________________________________________________ (d) Indications Settings (i) Fully Charged Suitable to Use _______________________________________ V (ii) Energy Conservation ______________________________________________ V (iii) Other (explain) ___________________________________________________ 8. Equipment Enclosure (a) Type of battery enclosure ______________________________________________ (b) Material ____________________________________________________________ (c) Type of controller housing _____________________________________________ (d) Material ____________________________________________________________ (e) Protection method against battery acid/fumes etc. ___________________________ 9. Wiring (a) Wire material type ____________________________________________________ Wire cross-sections (b) PV module to controller ___________________________________________ mm2 (c) Controller to battery ______________________________________________ mm2 (d) Controller to loads ________________________________________________ mm2 (e) Wiring identification method (color coded/labeled) __________________________ . 10. Luminaire (a) Number of luminaire __________________________________________________ (b) Model number(s) _____________________________________________________ (c) Wattage(s) ________________________________________________________ W (d) Inverter electrical efficiency ___________________________________________% Solar Home System Specifications September 2002 Page 15 of 16 SHS/PSG (e) Maximum continuous operating voltage __________________________________ V (f) Operating frequency _______________________________________________ kHz (g) Electrical waveform voltage symmetry ____________________________________ (h) Maximum crest factor _________________________________________________ (i) Open circuit voltage protection? _________________________________ (Yes/No) (j) Current draw on open circuit? _______________________________________ mA (k) Short circuit protection? ________________________________________ (Yes/No) (l) Reverse polarity protection? _____________________________________ (Yes/No) (Attach test certificate) 11. Socket Outlet (a) 12 Vdc Socket outlet? __________________________________________ (Yes/No) (b) Reverse polarity protection? _____________________________________ (Yes/No) 12. 13. Other Components/Features (a) __________________________________________________________________ (b) __________________________________________________________________ (c) __________________________________________________________________ (d) __________________________________________________________________ Exceptions and Variations to the Specifications Taken and Explanations Solar Home System Specifications September 2002 Page 16 of 16