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NEMA
NEMA CP 1:2000 (R2008)

NEMA CP 1:2000 (R2008)

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

SHUNT CAPACITORS

Withdrawn date

12-03-2013

Published date

12-06-2012

Publisher

National Electrical Manufacturers Association

Foreword
Scope
1 Referenced standards and definitions
       Referenced standards
       Definitions
2 Service conditions
       General
       Altitude
       Ambient temperature
       Determination of ambient temperature
       Mounting and installation of capacitors and
         equipments
       Working voltages
       Maximum working voltage
       Maximum reactive KVAR
       Unusual service conditions
3 Rating standards
       Capacitor terminals
       Provision for making connections to capacitor
         equipment
       Discharge devices
       Dimensions
       Nameplate marking for capacitors
       Nameplate marking for racks and housings or
         capacitor equipments
       Fuses for rack equipments
       Capacitor bushings
       Circuit breakers, contactors, and disconnecting
         devices
       Automatic switching of capacitors
5 Testing standards
       General
       Test conditions
       Design (type) tests
       Routine (production) test
       Impulse withstand test-case insulation (design
         tests)
       Thermal stability test (design test)
       Radio influence voltage (design test)
       Voltage decay test (design test)
       Short-time overvoltage tests (routine test)
       Capacitance test (routine test)
       Loss test (routine test)
       Discharge resistor test (routine test)
       Leak test (routine test)
6 Guide for the application and operation of shunt
     capacitors
       General
       Reliability
       Overvoltage limits and protection
       Operating and ambient temperatures
       Abnormal overload current
       Inspection and maintenance
       Field test on capacitors
       Fusing guidelines
Tables
2-1 Ambient air temperature
3-1 Voltage and KVAR ratings for 60 Hz capacitors
3-2 Indoor capacitor ratings
4-1 Discharge time limits
4-2 Bushing characteristics
4-3 Humidity correction factors
5-1 Impulse test voltages
5-2 Test wave tolerances
5-3 Terminal-to-case test voltages
6-1 Maximum momentary overvoltage limits
6-2 Transient overvoltage withstanding capability
6-3 DC field test voltages
Figures
4-1 Dimensions
4-2 Dimensions
6-1 Typical case rupture curves for approximately
     1800 in3 case volume

Applies to capacitors rated 216 V or higher, 5 kV or more, designed for shunt connection to a.c. transmission and distribution systems operating at a nominal frequency of 50 or 60 Hz.

DevelopmentNote
Supersedes NEMA CP9. (09/2001)
DocumentType
Standard
PublisherName
National Electrical Manufacturers Association
Status
Withdrawn
Supersedes

IEEE C37.99-2012 IEEE Guide for the Protection of Shunt Capacitor Banks
IEEE C37.42-2009 IEEE Standard Specifications for High-Voltage (> 1000 V) Expulsion-Type Distribution-Class Fuses, Fuse and Disconnecting Cutouts, Fuse Disconnecting Switches, and Fuse Links, and Accessories Used with These Devices
IEEE 18-2012 IEEE Standard for Shunt Power Capacitors
IEEE C37.13-2015 REDLINE IEEE Standard for Low-Voltage AC Power Circuit Breakers Used in Enclosures
IEEE C37.43-2008 IEEE Standard Specifications for High-Voltage Expulsion, Current-Limiting, and Combination-Type Distribution and Power Class External Fuses, with Rated Voltages from 1 kV through 38 kV, Used for the Protection of Shunt Capacitors
IEEE C37.48-2005 IEEE Guide for the Application, Operation, and Maintenance of High-Voltage Fuses, Distribution Enclosed Single-Pole Air Switches, Fuse Disconnecting Switches, and Accessories
IEEE 1566-2015 REDLINE IEEE Standard for Performance of Adjustable-Speed AC Drives Rated 375 kW and Larger
IEEE 3004.5-2014 IEEE Recommended Practice for the Application of Low-Voltage Circuit Breakers in Industrial and Commercial Power Systems

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