NEMA CP 1:2000 (R2008)
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
12-03-2013
12-06-2012
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 | 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 | 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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