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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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

    Available format(s): 

    Withdrawn date:  03-12-2013

    Language(s): 

    Published date:  06-12-2012

    Publisher:  National Electrical Manufacturers Association

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes NEMA CP9. (09/2001)
    Document Type Standard
    Publisher National Electrical Manufacturers Association
    Status Withdrawn
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    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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