B.4 Running Rail - to - Earth Resistance Test - Working Group
... aid in the understanding, usage, and applicability of this standard. This standard is intended to apply to field testing of installed dc traction power substation (TPSS) equipment rated at 1500 V dc nominal or less. Installed traction power substations may be ready for revenue service once the tests ...
... aid in the understanding, usage, and applicability of this standard. This standard is intended to apply to field testing of installed dc traction power substation (TPSS) equipment rated at 1500 V dc nominal or less. Installed traction power substations may be ready for revenue service once the tests ...
MIT400 Series Insulation and continuity testers
... The circuit under test must be switched off, de-energised, securely isolated and proved dead before test connections are made when carrying out insulation and continuity tests. ...
... The circuit under test must be switched off, de-energised, securely isolated and proved dead before test connections are made when carrying out insulation and continuity tests. ...
TT102 - 4213
... Capacitance Measured by the Sencore L C 5 3 Z Meter™ and Other Standard Techniques.” The study explored several possible causes of the frequency effects. Calculations showed that the variations were not the result of series inductance or resistance, frequency changes in the dielectric constant of th ...
... Capacitance Measured by the Sencore L C 5 3 Z Meter™ and Other Standard Techniques.” The study explored several possible causes of the frequency effects. Calculations showed that the variations were not the result of series inductance or resistance, frequency changes in the dielectric constant of th ...
INT 120 Concepts of Direct Current
... This course provides an advanced study of direct current (DC) concepts and application principles. Specific topics include safety, terms and symbols, electrical theory, Ohm’s law, power law, electrical measurement, DC electrical components, series, parallel, and series-parallel circuit construction. ...
... This course provides an advanced study of direct current (DC) concepts and application principles. Specific topics include safety, terms and symbols, electrical theory, Ohm’s law, power law, electrical measurement, DC electrical components, series, parallel, and series-parallel circuit construction. ...
Editorial Changes for 4773
... industry developed a set of descriptions of available fault current values that are likely to exist in a “typical” end-use facility. TO: Introduction R3-1.1 R3-1.1 While there are a number of product safety standards specifying short circuit current rating of the equipment or its industrial control ...
... industry developed a set of descriptions of available fault current values that are likely to exist in a “typical” end-use facility. TO: Introduction R3-1.1 R3-1.1 While there are a number of product safety standards specifying short circuit current rating of the equipment or its industrial control ...
summary of topics
... to include evaluation of the "no-load" condition as a potential "worst case" from the standpoint of motor heating. UL’s experience has demonstrated that certain impedance protected motor designs will attain higher coil temperatures when run in the no-load state than they attain in the locked rotor s ...
... to include evaluation of the "no-load" condition as a potential "worst case" from the standpoint of motor heating. UL’s experience has demonstrated that certain impedance protected motor designs will attain higher coil temperatures when run in the no-load state than they attain in the locked rotor s ...
S280-77-8
... The instructions in this manual are not intended as a substitute for proper training or adequate experience in the safe operation of the equipment described. Only competent technicians, who are familiar with this equipment should install, operate, and service it. A competent technician has these qua ...
... The instructions in this manual are not intended as a substitute for proper training or adequate experience in the safe operation of the equipment described. Only competent technicians, who are familiar with this equipment should install, operate, and service it. A competent technician has these qua ...
Title: Pre-Commissioning Overview: Umbilicals
... DC resistance testing to confirm electrical continuity of the electric cable conductors present within the main umbilicals and electrical flying leads connected between the host facility and subsea controls equipment, i.e. subsea electronic modules housed within subsea control modules located on the ...
... DC resistance testing to confirm electrical continuity of the electric cable conductors present within the main umbilicals and electrical flying leads connected between the host facility and subsea controls equipment, i.e. subsea electronic modules housed within subsea control modules located on the ...
controlling static electricity
... specifically designed for measuring insulation resistance. This requires a nominal open-circuit voltage of 500 V d.c., or another instrument giving comparable results. An instrument with sufficient accuracy to determine the resistance to within +/- 10% is required. During the test, dissipate no more ...
... specifically designed for measuring insulation resistance. This requires a nominal open-circuit voltage of 500 V d.c., or another instrument giving comparable results. An instrument with sufficient accuracy to determine the resistance to within +/- 10% is required. During the test, dissipate no more ...
EVF
... The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information tha ...
... The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information tha ...
M HIGH-VOLTAGE EQUIPMENT Read this entire manual before operating.
... windings and contact resistance on tap-changers with make-beforebreak contacts and voltage regulators. A warning light will flash and the internal shutdown circuit will be triggered if the tap-changer contacts have a break before make event. This action checks for pitted or misaligned contacts and i ...
... windings and contact resistance on tap-changers with make-beforebreak contacts and voltage regulators. A warning light will flash and the internal shutdown circuit will be triggered if the tap-changer contacts have a break before make event. This action checks for pitted or misaligned contacts and i ...
Chapter-8 - Universities Press
... similar to that of a three-phase induction motor. The single-phase motor stator has a laminated iron core with two windings arranged perpendicularly – one is the main and the other is the auxiliary winding or starting winding. The motor uses a squirrel-cage rotor, which has a laminated iron core wit ...
... similar to that of a three-phase induction motor. The single-phase motor stator has a laminated iron core with two windings arranged perpendicularly – one is the main and the other is the auxiliary winding or starting winding. The motor uses a squirrel-cage rotor, which has a laminated iron core wit ...
26 22 13 15 lv transformers tp-1s
... The installing contractor shall install the Siemens TP1S Super Energy Efficient K-Factor transformer per the manufacturers recommended installation practices as found in the installation, operation, and maintenance manual and comply with all applicable codes. Make sure that the transformer is level. ...
... The installing contractor shall install the Siemens TP1S Super Energy Efficient K-Factor transformer per the manufacturers recommended installation practices as found in the installation, operation, and maintenance manual and comply with all applicable codes. Make sure that the transformer is level. ...
D N IAGNOSTIC
... winding would experience during a severe voltage transient. A new rotor winding (rated less than 500 V DC) is subject to an AC hipot of about 10 times normal rated DC voltage, with a minimum test voltage of 1500 V AC. Thus a 400 V DC rotor is tested with 4 kV rms AC before it is put into service. Th ...
... winding would experience during a severe voltage transient. A new rotor winding (rated less than 500 V DC) is subject to an AC hipot of about 10 times normal rated DC voltage, with a minimum test voltage of 1500 V AC. Thus a 400 V DC rotor is tested with 4 kV rms AC before it is put into service. Th ...
Short circuit test code TF D8 clause 12 and annex xx
... Fault types and terminals to which they are to be applied shall be determined individually for each particular transformer. The maximum fault current for each winding shall be determined from calculations of fault types specified in Clause 7 of IEEE Std C57.12.00 using various fault types, fault loc ...
... Fault types and terminals to which they are to be applied shall be determined individually for each particular transformer. The maximum fault current for each winding shall be determined from calculations of fault types specified in Clause 7 of IEEE Std C57.12.00 using various fault types, fault loc ...
EVA100 - Advantest
... The EVA100 production model provides the ability to easily build a system optimized for a production plan, various measurement requirements. For example, by combining multiple testing units with different configurations, a system can easily be expanded to support new digital I/F and device power sup ...
... The EVA100 production model provides the ability to easily build a system optimized for a production plan, various measurement requirements. For example, by combining multiple testing units with different configurations, a system can easily be expanded to support new digital I/F and device power sup ...
S4000
... can be field set to provide either HIGH (HI) dBA or STANDARD (STD) dBA sound output level. All AMT Multitone Strobe models are designed for use with either filtered or unfiltered Full-Wave-Rectified (FWR) input voltage. The AMT Multitone Strobe Appliances have separate input terminals for alarm tone ...
... can be field set to provide either HIGH (HI) dBA or STANDARD (STD) dBA sound output level. All AMT Multitone Strobe models are designed for use with either filtered or unfiltered Full-Wave-Rectified (FWR) input voltage. The AMT Multitone Strobe Appliances have separate input terminals for alarm tone ...
Final Test Plan
... system has any binding or loss of functionality. Changes can then be made to the design if any major errors are found. ...
... system has any binding or loss of functionality. Changes can then be made to the design if any major errors are found. ...
Sure-Lites INV125CI Ceiling Mount Inverter Instruction Sheet
... junction box is to be mounted in the wall behind the unit, make sure that the unswitched AC supply and any remote fixture leads have been extended to the junction box prior to mounting the INV125SI and that there is at least 12" of exposed leads for wiring in the unit. 3. Knock out the (2) keyhole s ...
... junction box is to be mounted in the wall behind the unit, make sure that the unswitched AC supply and any remote fixture leads have been extended to the junction box prior to mounting the INV125SI and that there is at least 12" of exposed leads for wiring in the unit. 3. Knock out the (2) keyhole s ...
Portable appliance testing
Portable appliance testing (commonly known as ""PAT"", ""PAT Inspection"" or ""PAT Testing"") is the name of a process in the United Kingdom, the Republic of Ireland, New Zealand and Australia by which electrical appliances are routinely checked for safety. The correct term for the whole process is ""in-service inspection & testing of electrical equipment"".Similar procedures exist in other countries, for example, testing of equipment according to DGUV Vorschrift 3 in Germany.Health and safety regulations require that electrical appliances are safe and maintained to prevent harm to workers. Many equipment manufacturers recommend testing at regular intervals to ensure continual safety; the interval between tests depending on both the type of appliance and the environment in which it is to be used. The European Low Voltage Directive governs the manufacture or importation of electrical appliances. Compliance to this has to be declared and indicated by the display of the CE mark on the product. The responsibility for this lies with the manufacturer or the importer and is policed by Trading Standards.Testing equipment has been specifically developed for PAT inspections, based on the testing equipment used by manufacturers to ensure compliance with the British Standard Code of Practice and European product standards relevant to that type of appliance. This in turn allows testing and the interpretation of results to be de-skilled to a large extent. The inspection of the appliances can largely be carried out in-house in many organisations. This can result in cost savings and more flexibility as to exactly when a PAT is carried out.