BS EN 62751-1:2014
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Power losses in voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) systems – General requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 34 |
IEC 62751-1:2014 sets out the general principles for calculating the power losses in the converter valves of a voltage sourced converter (VSC) for high-voltage direct current (HVDC) applications, independent of the converter topology. Several clauses in the standard can also be used for calculating the power losses in the dynamic braking valves (where used) and as guidance for calculating the power losses of the valves for a STATCOM installation.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Foreword Endorsement notice |
| 5 | Annex ZA (normative) Normative references to international publications with their corresponding European publications |
| 6 | English CONTENTS |
| 8 | 1 Scope 2 Normative references |
| 9 | 3 Terms and definitions 3.1 Converter types 3.2 Semiconductor devices |
| 10 | 3.3 Converter operating states |
| 11 | 3.4 Device characteristics 3.5 Other definitions |
| 12 | 4 General conditions 4.1 General |
| 13 | 4.2 Causes of power losses 4.3 Categories of valve losses |
| 14 | 4.4 Operating conditions 4.4.1 General 4.4.2 Reference ambient conditions 4.4.3 Reference a.c. system conditions 4.4.4 Converter operating states 4.4.5 Treatment of redundancy |
| 15 | 4.5 Use of real measured data 4.5.1 General 4.5.2 Routine testing 4.5.3 Characterisation testing |
| 16 | 5 Conduction losses 5.1 General Figures Figure 1 – On-state voltage of an IGBT or diode |
| 17 | Figure 2 – Piecewise-linear representation of IGBT or diode on-state voltage |
| 18 | 5.2 IGBT conduction losses 5.3 Diode conduction losses |
| 19 | 5.4 Other conduction losses 6 D.C. voltage-dependent losses |
| 20 | 7 Losses in d.c. capacitors 8 Switching losses 8.1 General |
| 21 | 8.2 IGBT switching losses Figure 3 – IGBT switching energy as a function of collector current |
| 22 | 8.3 Diode switching losses Figure 4 – Diode recovery energy as a function of current |
| 23 | 9 Other losses 9.1 Snubber circuit losses 9.2 Valve electronics power consumption |
| 24 | 10 Total valve losses per converter substation |
| 25 | Tables Table 1 – Matrix indicating the relationship of data needed for calculation of losses and the type of valve losses |
| 27 | Annex A (informative) Determination of power losses in other HVDC substation equipment A.1 General A.2 Guidance for calculating losses in each equipment A.2.1 Circuit breaker A.2.2 Pre-insertion resistor |
| 28 | A.2.3 Line side harmonic filter A.2.4 Line side high frequency filter A.2.5 Interface transformer Figure A.1 – Major components that may be found in a VSC substation |
| 29 | A.2.6 Converter side harmonic filter A.2.7 Converter side high frequency filter A.2.8 Phase reactor A.2.9 VSC unit A.2.10 VSC d.c. capacitor A.2.11 D.C. harmonic filter A.2.12 Dynamic braking system |
| 30 | A.2.13 Neutral point grounding branch A.2.14 D.C. reactor A.2.15 Common mode blocking reactor A.2.16 D.C. side high frequency filter A.2.17 D.C. cable or overhead transmission line |
| 31 | A.3 Auxiliaries and station service losses |
| 32 | Bibliography |
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BS EN 62751-1:2014+A1:2018
Power losses in voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) systems –…
