Alstom GL314 P User Manual

Contents
Instruction manual
D1530EN/04
1/6
08--2012
© ALSTOM 2010. All rights reserved. Information contained in this doc ument is indic ative only. No representation or warranty is given or s hould be relied
on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is provide d
without liability and is subject to change without notice. Reproduction, use or dis clos ure to third parties, without express written authority, is s trictly
prohibited.
GRID
SF
6
circuit breaker
GL314 P.
W ith spring operating system
FK3--07
This equipment contains a greenhouse effect gas (SF
6
), covered by the Kyoto Protocol, with a
Global Warming Power of 22200 (GWP).
The SF
6
must be recovered and must not be released into the atmosphere.
For more information on use and handlling of SF
6
refer to norm CEI 62271 : High-voltage switchgear
- Part 303 : Use and handling of Sulphur Hexafluoride (SF
6
).
Administrator Emission Prepared by Approved by
AHT 22--03--2010 J. Bossu G. Doummar

Alstom GL314 P Specifications

General

Rated Voltage	12 kV
Mechanical Endurance	10, 000 operations
Rated Current	630 A, 1250 A
Rated Short-Circuit Breaking Current	25 kA
Operating Mechanism	Spring operated

Summary

Description and Functionalities

General Description of the Switchgear

Overview of the switchgear's main components and their arrangement.

Description of the Breaking Chamber

Detailed explanation of the arc extinction chamber's design and function.

Pole Operation (Principle of Breaking)

Explanation of the operational mechanism for circuit breaking and closing.

Monitoring SF6 Gas

Installation

General Mounting Recommendations

Tightening Torque Values

Verification of the Presence of SF6 Gas in the Poles

Mounting the Operating Mechanism

Guidance on installing the motor-wound spring operating mechanism.

Calculating the SF6 Gas Filling Pressure

Method for calculating SF6 gas filling pressure using a pressure gauge.

Filling with SF6 Gas

Procedure for filling the circuit breaker with SF6 gas.

Commissioning

Inspection Prior to Commissioning

Checks and inspections required before putting the equipment into service.

Test Report Prior to Commissioning

Acceptance Criteria

Maintenance

Maintenance Plan

Defines the schedule and frequency for maintenance activities.

Control of Contact Densimeter Thresholds

Intervention on the Operating Mechanism

Safety measures and procedures for working on the operating mechanism.

Replacing the FK3-07 Operating Mechanism

End of Equipment Service Life

Managing SF6 Gas

Instructions on Handling Used SF6 Gas and Decomposition Products