Protective triggering of thyristors in a pulse generator
US4698719A · kind A · utility
5Cited by
10References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 15, 1986 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Aug 15, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/003
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A protective triggering system protects the thyristor switch element of a pulse generator circuit controlling a pulse operated electrostatic precipitator. The protective triggering is initiated for every pulse in the area around passage of the pulse current from positive to negative, its object being to supplement the spark-over released retriggering system so as to ensure that spark-overs occurring immediately after the current passage across zero do not cause renewed thyristor current in the absence of a triggering signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.