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BS EN 61975:2010

BS EN 61975:2010

$215.11

High-voltage direct current (HVDC) installations. System tests

Published By Publication Date Number of Pages
BSI 2010 84
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IEC 61975:2010 applies to system tests for high-voltage direct current (HVDC) installations which consist of a sending terminal and a receiving terminal, each connected to an a.c. system. The tests specified in this standard are based on bidirectional and bipolar high-voltage direct current (HVDC) installations which consist of a sending terminal and a receiving terminal, each connected to an a.c. system. The test requirements and acceptance criteria should be agreed for back-to-back installations, while multi-terminal systems and voltage sourced converters are not included in this standard. For monopolar HVDC installations, the standard applies except for bipolar tests. This standard only serves as a guideline to system tests for high-voltage direct current (HVDC) installations. The standard gives potential users guidance, regarding how to plan commissioning activities. The tests described in the guide may not be applicable to all projects, but represent a range of possible tests which should be considered. This edition cancels and replaces IEC/PAS 61975 published jointly in 2004 by IEC and CIGRÉ. It constitutes a technical revision incorporating engineering experience.

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PDF Pages PDF Title
6 CONTENTS
8 INTRODUCTION
9 1 Scope
2 Normative references
3 Terms and definitions
3.1 Test classifications terms
10 3.2 Operation state terms
11 4 General
4.1 Purpose
12 4.2 Structure of the HVDC system
Figure 1 – Relation among five major aspects of system test
13 4.3 Structure of the control and protection system
Figure 2 – Structure of the HVDC system
Figure 3 – Structure of the HVDC control and protection
14 4.4 Logical steps of system test
15 4.5 Structure of system test
4.6 Precondition for site test
17 Figure 4 – Structure of system test
18 5 Converter station test
5.1 General
19 5.2 Converter unit test
20 5.3 Energizing of reactive components
21 5.4 Changing the d.c. system configuration
22 5.5 Electromagnetic compatibility
23 5.6 Trip test
24 5.7 Open line test
26 5.8 Back-to-back test
27 5.9 Short circuit test
28 6 Transmission tests
6.1 Low power transmission tests
30 Figure 5 – Sequence for low power transmission tests
36 6.2 Operator control mode transfer
42 6.3 Changes of d.c. configuration
45 6.4 Main circuit equipment switching
49 6.5 Dynamic performance testing
51 Figure 6 – Step response test of current control at the rectifier
52 Figure 7 – Step response test of extinction angle control at the inverter
Figure 8 – Step response test of d.c. voltage control at the inverter
53 Figure 9 – Step response test of current control at the inverter
Figure 10 – Step response test of power control at the rectifier
58 6.6 AC and d.c. system staged faults
62 6.7 Loss of telecom, auxiliaries or redundant equipment
65 6.8 High power transmission tests
69 6.9 Acceptance tests
76 7 Trial operation
7.1 General
7.2 Purpose of test
7.3 Test precondition
7.4 Test procedure
77 7.5 Test acceptance criteria
8 System test plan and documentation
8.1 General
8.2 Plant documentation and operating manual
8.3 System study reports and technical specification
78 8.4 Inspection and test plan
8.5 System test program
79 8.6 Test procedure for each test
8.7 Documentation of system test results
80 8.8 Deviation report
81 Bibliography

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BS EN 61975:2010
$215.11