DL/T 621-1997 English Version, DL/T 621-1997 Grounding for AC Electrical Installations (English Version)

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DL/T 621-1997 Grounding for AC Electrical Installations (English Version)
Standard No.:	DL/T 621-1997	Status:	abolished remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	13000 words	Translation Price(USD):	320.0 remind me the price change Email:
Implemented on:	1998-1-1	Delivery:	via email in 1 business day

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Standard No.:	DL/T 621-1997
English Name:	Grounding for AC Electrical Installations
Chinese Name:	交流电气装置的接地
Chinese Classification:	P63 Power supply and distribution engineering
Professional Classification:	DL Professional Standard - Electricity
Source Content Issued by:	Ministry of Power Industry
Issued on:	1997-09-02
Implemented on:	1998-1-1
Status:	abolished
Abolished on:	2015-01-14
Superseding:	SDJ 8-1979 SD 119-1984
Target Language:	English
File Format:	PDF
Word Count:	13000 words
Translation Price(USD):	320.0
Delivery:	via email in 1 business day

DL/T 621-1997 is referred in:

* GB 50059-2011 Code for Design of 35kV~110kV Substation
* DL/T 5136-2012 Technical code for designing of electrical secondary wiring in fossil fuel power plants and substations
* DL/T 5136-2012 Technical code for designing of electrical secondary wiring in fossil fuel power plants and substations
* GB 50059-2011 Code for Design of 35kV~110kV Substation
* DL/T 461-2004 Guide for operation and the maintenance of electrostatic precipitators for coal-fired power plants
* DL/T 5174-2003 Code for Design of Gas-Steam Combined-cycle Power Plant
* DL/T 5218-2005 Technical code for designing 220kV~500kV substation
* DL/T 5390-2007 Lighting technical code for designing fossil fuel power plants and substations
* DL/T 5025-2005 Technical code of engineering design for digital microwave communication project of electric power system
* GB/T 29772-2013 General requirements of electric vehicle battery swap station
*Q/GDW 564-2010 Technical guideline for electric energy storage system interconnecting to distribution network
*NB/T 33016-2014 Code for testing of electrochemical energy storage system interconnecting with distribution network
*GB/T 33593-2017 Technical requirements for grid connection of distributed resources
*GB/T 36548-2018 Test specification for electrochemical energy storage system connected to power grid
*Q/GDW 1480-2015 Technical rule for distributed resources connected to power grid
*Q/GDW 666-2011 Technology Specification for Testing of Connecting Distribution Generation into Distribution Network
*Q/GDW 667-2011 Operation Control Specifications for Connecting Distribution Generation into Distribution Network

Standard

DL/T 621-1997 Grounding for AC Electrical Installations (English Version)
Standard No.	DL/T 621-1997
Status	abolished
Language	English
File Format	PDF
Word Count	13000 words
Price(USD)	320.0
Implemented on	1998-1-1
Delivery	via email in 1 business day

Detail of DL/T 621-1997

Standard No.

English Name

Chinese Name

Chinese Classification

Professional Classification

ICS Classification

Issued by

Issued on

Implemented on

Status

Superseded by

Superseded on

Abolished on

Superseding

Language

File Format

Word Count

Price(USD)

Keywords

Introduction of DL/T 621-1997

This standard specifies the grounding requirements and methods for the electrical installations for power generation, transformation, transmission and distribution for who nominal AC voltage are lower than 500kV (hereinafter referred to as "A-category electrical installations") and the building electrical installations (hereinafter referred to as "B-category electrical installations").

Contents of DL/T 621-1997

1. Scope 2. Terms and Definitions 3. General provisions for grounding of A-category electrical installations 4. Scope of protective ground of A-category electrical installations 5. Ground resistance of A-category electrical installations 5.1 Ground resistance of the electrical installation in the power plant and transformer station 5.2 The ground resistance of the overhead network 5.3 The ground resistance of the electrical installation for power distribution 6. Grounding connection of the A-category electrical installations 6.1 General provisions of grounding connection 6.2 Grounding connection of the electrical installation in the power plant and transformer station 6.3 Grounding connection of poles and towers of overhead network 6.4 Electrical installation of power distribution installations 7 The grounding type of low-voltage system and the ground resistance of B-category electrical installations 7.1 System grounding type 7.2 Ground resistance and equipotential connection of the grounding connection, 8 Grounding connection and protective conductor of B-category electrical installations 8.1 General requirements 8.2 Grounding connection 8.3 Protective conductor 8.4 Grounding connection 8.5 Equipotential coupling cable Annex A (Normative Annex) Annex B (Normative Annex) Annex C (Normative Annex) Annex D (Normative Annex) Annex E (Normative Annex) Annex F (Informative Annex)

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