DRAFT OF PROPOSED NFPA 70® 2014 Edition National Electrical
... 2014 Edition National Electrical Code® Note: Copies of proposals are published in the NEC ROP for the 2013 Annual Revision Cycle. ...
... 2014 Edition National Electrical Code® Note: Copies of proposals are published in the NEC ROP for the 2013 Annual Revision Cycle. ...
Refrigerator Defrost Systems
... defrost cycle. This type of system performs the defrost cycle without regard for the actual cooling demand on the sealed system. A more efficient type of timed defrost is based on the amount of time the compressor runs. The timer only advances when the compressor is running. After the timer measures ...
... defrost cycle. This type of system performs the defrost cycle without regard for the actual cooling demand on the sealed system. A more efficient type of timed defrost is based on the amount of time the compressor runs. The timer only advances when the compressor is running. After the timer measures ...
Service and Metering Guide
... 2. Some of these standards may carry the name or logo of “Aquila”, “Aquila Networks Canada”, “UtiliCorp”, “UtiliCorp Networks Canada”, “UNC”, “West Kootenay Power” or “WKP”. Any such references are to be taken as a reference to FortisBC. By formal agreement between FortisBC, Aquila Networks Canada, ...
... 2. Some of these standards may carry the name or logo of “Aquila”, “Aquila Networks Canada”, “UtiliCorp”, “UtiliCorp Networks Canada”, “UNC”, “West Kootenay Power” or “WKP”. Any such references are to be taken as a reference to FortisBC. By formal agreement between FortisBC, Aquila Networks Canada, ...
ES3 Metering Installation Requirements Part A
... For issue to all Ausgrid and Accredited Service Providers’ staff involved with the installation of metering equipment and is for reference by field, technical and engineering staff. Ausgrid maintains a copy of this and other Network Standards together with updates and amendments on www.ausgrid.com.a ...
... For issue to all Ausgrid and Accredited Service Providers’ staff involved with the installation of metering equipment and is for reference by field, technical and engineering staff. Ausgrid maintains a copy of this and other Network Standards together with updates and amendments on www.ausgrid.com.a ...
eet - Course Catalog 2016-2017
... EET 3700 and MATH 2670. Concurrent with: EET 4820L. EET 4820L Power System Protection and Control Lab 0 s.h. Establishing communications, programming, and testing of various microprocessor based power system protective relays, including timeovercurrent, bus, differential, motor, distributed generati ...
... EET 3700 and MATH 2670. Concurrent with: EET 4820L. EET 4820L Power System Protection and Control Lab 0 s.h. Establishing communications, programming, and testing of various microprocessor based power system protective relays, including timeovercurrent, bus, differential, motor, distributed generati ...
VSD Network Pump Cascade
... This document details the feature and specification requirements for VSDs (variable speed Drives) to be used in the above mentioned project. VSD’s are designed for use with AC induction motors rated for variable speed control. Submission of suitable VSD candidates will be based on this document. Any ...
... This document details the feature and specification requirements for VSDs (variable speed Drives) to be used in the above mentioned project. VSD’s are designed for use with AC induction motors rated for variable speed control. Submission of suitable VSD candidates will be based on this document. Any ...
HVAC Specification for Variable Speed Drives (VSDs) Project Name
... This document details the feature and specification requirements for VSDs (variable speed Drives) to be used in the above mentioned project. VSD’s are designed for use with AC induction motors rated for variable speed control. Submission of suitable VSD candidates will be based on this document. Any ...
... This document details the feature and specification requirements for VSDs (variable speed Drives) to be used in the above mentioned project. VSD’s are designed for use with AC induction motors rated for variable speed control. Submission of suitable VSD candidates will be based on this document. Any ...
MAX6412–MAX6420 Low-Power, Single/Dual-Voltage µP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay General Description
... impedance CMOS-logic inputs connected to RESET can drift to undetermined voltages. This presents no problems in most applications, since most µPs and other circuitry do not operate with VCC below 1V. In those applications where RESET must be valid down to 0, adding a pulldown resistor between RESET ...
... impedance CMOS-logic inputs connected to RESET can drift to undetermined voltages. This presents no problems in most applications, since most µPs and other circuitry do not operate with VCC below 1V. In those applications where RESET must be valid down to 0, adding a pulldown resistor between RESET ...
MAX793/MAX794/MAX795 3.0V/3.3V Adjustable Microprocessor Supervisory Circuits General Description
... Note 7: OUT switches from BATT to VCC when VCC rises above the reset threshold, if VBATT > VRST. In this case, switchover back to VCC occurs at the exact voltage that causes reset to be asserted, however, switchover occurs 200ms prior to reset. If VBATT < VRST, OUT switches from BATT to VCC when VCC ...
... Note 7: OUT switches from BATT to VCC when VCC rises above the reset threshold, if VBATT > VRST. In this case, switchover back to VCC occurs at the exact voltage that causes reset to be asserted, however, switchover occurs 200ms prior to reset. If VBATT < VRST, OUT switches from BATT to VCC when VCC ...
CD4017 - eeshop home page
... 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to resul ...
... 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to resul ...
MAX6841–MAX6845 Ultra-Low-Voltage µP Reset Circuits and
... When the VCC supply voltage falls below a preset threshold (MAX6841/MAX6842) or RESET IN falls below the adjustable threshold (MAX6843/MAX6844/MAX6845), reset asserts and stays asserted for a fixed timeout delay (Table 2) after VCC or RESET IN has risen above the reset threshold. The MAX6841–MAX6845 ...
... When the VCC supply voltage falls below a preset threshold (MAX6841/MAX6842) or RESET IN falls below the adjustable threshold (MAX6843/MAX6844/MAX6845), reset asserts and stays asserted for a fixed timeout delay (Table 2) after VCC or RESET IN has risen above the reset threshold. The MAX6841–MAX6845 ...
White Paper 4 Understanding Electrical Overstress
... Damage signatures from Electrical Overstress (EOS) are the leading reported cause of returns in integrated circuits and systems that have failed during operation. Solutions to this problem are hindered by a prevailing misconception in the electronics industry that insufficient robustness to electros ...
... Damage signatures from Electrical Overstress (EOS) are the leading reported cause of returns in integrated circuits and systems that have failed during operation. Solutions to this problem are hindered by a prevailing misconception in the electronics industry that insufficient robustness to electros ...
Contents - Invertek
... VFD’s shall be capable of controlling and correctly protecting the motor/s detailed in section 14.3 throughout the required frequency range. VFD’s should include protection features to ensure that the motor may not operate in an overloaded condition which may cause damage to the connected motor. VFD ...
... VFD’s shall be capable of controlling and correctly protecting the motor/s detailed in section 14.3 throughout the required frequency range. VFD’s should include protection features to ensure that the motor may not operate in an overloaded condition which may cause damage to the connected motor. VFD ...
INDICO 100 SERIES X-RAY GENERATOR SERVICE MANUAL
... Field strengths outside the shielded location from fixed RF transmitters, as determined by an electromagnetic site survey, should be less than 3 V/m.a Interference may occur in the vicinity of equipment marked with the following symbol: ...
... Field strengths outside the shielded location from fixed RF transmitters, as determined by an electromagnetic site survey, should be less than 3 V/m.a Interference may occur in the vicinity of equipment marked with the following symbol: ...
MAX690T/S/R, 704T/S/R, 802T/S/R, 804–806T/S/R 3.0V/3.3V Microprocessor Supervisory Circuits _______________General Description ____________________________Features
... 3.0V/3.3V Microprocessor Supervisory Circuits ______________________________________________________________Pin Description ...
... 3.0V/3.3V Microprocessor Supervisory Circuits ______________________________________________________________Pin Description ...
mcq-ele1 - WordPress.com
... 58. In order to achieve high accuracy, the slide wire of a potentiometer should be (a) as long as possible (b) as short as possible (c) neither too small not too large (d) very thick Ans: a 59. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potent ...
... 58. In order to achieve high accuracy, the slide wire of a potentiometer should be (a) as long as possible (b) as short as possible (c) neither too small not too large (d) very thick Ans: a 59. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potent ...
Electrical substation
A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels.Substations may be owned and operated by an electrical utility, or may be owned by a large industrial or commercial customer. Generally substations are unattended, relying on SCADA for remote supervision and control.A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages. The word substation comes from the days before the distribution system became a grid. As central generation stations became larger, smaller generating plants were converted to distribution stations, receiving their energy supply from a larger plant instead of using their own generators. The first substations were connected to only one power station, where the generators were housed, and were subsidiaries of that power station.