GB/T 21420-2008General requirements for light-trigged thyristors for HVDC transmission (English PDF)
高压直流输电用光控晶闸管的一般要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
January 22, 2008
Implementation date
September 1, 2008
Scope
GB/T 21420-2008 is the English-translated version of 高压直流输电用光控晶闸管的一般要求.
GB/T 21420-2008 is the Chinese standard "General requirements for light-trigged thyristors for HVDC transmission". Its scope clause reads: This standard specifies the type, size, rating, characteristics, inspection rules HVDC light control thyristor, signs and orders, etc. skills requirement.
This standard applies to devices integrated BOD HVDC light thyristor series. Its clauses include models and sizes; ratings and characteristics.
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Document preview — GB/T 21420-2008
National Standard of the People's Republic of China
- ICS
- 31.080.20
- Classification
- K 46
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 models and sizes
- 4 RATINGS AND CHARACTERISTICS
1 Scope
This standard specifies the type, size, rating, characteristics, inspection rules HVDC light control thyristor, signs and orders, etc.
skills requirement.
This standard applies to devices integrated BOD HVDC light thyristor series.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 4937-1995 Semiconductor devices - Mechanical and climatic environmental testing (idt IEC 60749. 1984)
GB/T 15291-1994 thyristor semiconductor devices - Part 6 (eqv IEC 60747-6. 1984)
3 models and sizes
3.1 Model
Composition and meaning of each part of the model shown in Figure 1.
KL It represents the optical thyristor
The average on-state current value (unit. A)
Blocking voltage of the series (reverse blocking voltage repeat 1/100)
Level characteristic parameters and (or) the important parameters (if any)
Specifications No. (if any)
Figure 1 Model constitution
3.2 Dimensions
Figure 2 size A, Dmax, D1 and D2 shall comply with the requirements and provisions of the order contract given model.
Figure 2 Dimensions
4 RATINGS AND CHARACTERISTICS
Rating 4.1
Rating (limits) should be consistent with Table 1.
......
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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