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DL/T 972-2005Live working-quality assurance plans applicable to tools, devices and equipment (English PDF)

带电作业工具、装置和设备的质量保证导则

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Issued by

National Energy Administration

Level / Type

National · Recommended

Issue date

January 1, 2005

Implementation date

January 1, 2005

Scope

DL/T 972-2005 is the English-translated version of 带电作业工具、装置和设备的质量保证导则.

DL/T 972-2005 is the Chinese standard "Live working-quality assurance plans applicable to tools, devices and equipment".

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Document preview — DL/T 972-2005

National Standard of the People's Republic of China

ICS: 29.020

[Preview only]
1 Scope
2 Normative References
3 Terms and Definitions
3.1 Basic Names
3.2 Connection (Interconnection) Part
3.3 Operation and Control
3.4 Security
3.5 Others
4 Ratings
4.1 Primary Part
4.2 Secondary Part
4.3 Classification by service environment
5 Design and Construction
5.1 Connection Procedure
5.2 Technical Characteristics and Operation Characteristics of Power Grid to Meet
5.3 Universal Technical Conditions of Connection (Interconnection)
5.4 Classified Connection (Interconnection) Clauses
5.5 Start of New Equipments
5.6 Synchronous grid connection after power supply restoration
5.7 Protection functions
5.8 Communication
5.9 Operation information monitoring
6 Grid Operation
6.1 General
6.2 Load Prediction
6.3 Equipment Maintenance
6.4 Power Generation and Utilization Balancing
6.5 Ancillary Services
6.6 Frequency and Voltage Control
6.7 Load Control
6.9 Stability and Security Countermeasures of System
7 Routine Tests
7.1 Electrical safety
7.2 Temperature rise
7.3 Environmental adaptability
7.4 Mechanical protection
8 Flashover or Withstand Characteristic of Insulators
8.1 Electromagnetic disturbance limits
8.2 Immunity test levels
9 Information to Be Given with Enquiries, Tenders and Orders
9.1 Cooling system
9.2 Auxiliary power supply

1 Foreword

DL/T 972-2005 was issued by National Energy Administration on 28 November 2005.

The DL/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 15 pages in English translation.

2 Scope Preview

DL/T 972-2005 falls under ICS 29.020, in the field of electrical engineering.

This catalogue holds 883 other DL/T standards in that field.

In this catalogue, DL/T standards carry edition years from 1991 to 2026.

3 About this standard

Issued by: National Energy Administration

English translation: about 15 pages (approximate)

4 Classification and status

International classification (ICS): 29.020

Chinese Standard Classification (CCS): K 47

Prefix DL/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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