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BS EN 60143-4:2010:2011 Edition

BS EN 60143-4:2010:2011 Edition

$198.66

Series capacitors for power systems – Thyristors controlled series capacitors

Published By Publication Date Number of Pages
BSI 2011 58
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IEC 60143-4:2010 specifies testing of thyristor controlled series capacitor (TCSC) installations used in series with transmission lines. This standard also addresses issues that consider ratings for TCSC thyristor valve assemblies, capacitors, and reactors as well as TCSC control characteristics, protective features, cooling system and system operation. This part of IEC 60143 is to be used in conjonction with the following standards: IEC 60143-1:2004, IEC 60143-2:1994 and IEC 60143-3:1998.

PDF Catalog

PDF Pages PDF Title
9 1 Scope
2 Normative references
10 3 Terms, definitions and abbreviations
3.1 Abbreviations
3.2 Terms and definitions
14 4 Operating and rating considerations
4.1 General
15 Figure 1 – Typical nomenclature of a TCSC installation
16 Figure 2 – TCSC subsegment
Table 1 – Peak and RMS voltage relationships
17 4.2 TCSC characteristics
Figure 3 – TCSC steady state waveforms for control angle α and conduction interval σ
18 4.3 Operating range
Figure 4 – TCSC power frequency steady state reactance characteristicsaccording to Equation (1), with λ = 2,5
Figure 5 – Example of TCSC operating range for POD (left) and SSR mitigation (right)
19 4.4 Reactive power rating
4.5 Power oscillation damping (POD)
4.6 SSR mitigation
20 4.7 Harmonics
4.8 Control interactions between TCSCs in parallel lines
4.9 Operating range, overvoltages and duty cycles
21 5 Valve control
5.1 Triggering system
Figure 6 – Valve base electronics (VBE)
22 5.2 System aspects
5.3 Normal operating conditions
Figure 7 – Valve electronics (VE)
23 5.4 Valve firing during system faults
5.5 Actions at low line current
5.6 Monitoring
6 Ratings
6.1 Capacitor rating
24 6.2 Reactor rating
6.3 Thyristor valve rating
26 Figure 8 – Thyristor valve voltage in a TCSC
27 6.4 Varistor rating
6.5 Insulation level and creepage distance
7 Tests
28 7.1 Test of the capacitor
29 7.2 Tests of the TCSC reactor
30 7.3 Tests of thyristor valves
41 7.4 Tests of protection and control system
43 8 Guidance for selection of rating and operation
8.1 General
Figure 9 – Typical block diagram of a real time TCSC protection- and control system simulation environment
44 8.2 Thyristor controlled series capacitor
46 Figure 10 – Example of operating range diagram for TCSC
47 8.3 Thyristor valves
8.4 Capacitors and reactors
48 8.5 Fault duty cycles for varistor rating
Table 2 – Typical external fault duty cycle with unsuccessful high speed auto-reclosing
Table 3 – Typical duty cycle for internal fault with successful high speed auto-reclosing
49 8.6 Valve cooling system
8.7 TCSC control and protection
Table 4 – Typical duty cycle for internal fault with unsuccessful high speed auto-reclosing
53 8.8 Precommissioning and commissioning tests
56 Bibliography

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BS EN 60143-4:2010
$198.66