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High Voltage Circuit Breakers
Introduction
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| High Voltage Circuit Breakers |
The availability of electric energy is vital for the development of an economy and for the quality of life. Therefore, the consumption of electric power is steadily increasing and will continue to do so in the coming decades. While the rate of increase is in the order of 2 % p.a. in countries with an established industry a higher percentage can be observed in developing or newly industrializing countries, e.g. in India with an average of 7 % increase p.a. up to 2030 [1].
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One of the necessary conditions for a reliable electric power supply is a well functioning transmission system. Consequently, countries with an expanding economy are taking severe efforts to improve the capability of their national high voltage networks. As high voltage circuit breakers are the ultimate safety devices in the transmission and distribution systems new technical requirements, economic considerations and political conditions provide strong impulses for further developments of high voltage switchgear technology.
Electrical Safety of Low Voltage Systems book
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Table Of Content
Products
Trends in High Voltage Circuit Breaker Technology 4
Dead Tank Based Compact Switchgear 8
Bypass Circuit-Breaker for 800 kV DC 13
1200 kV AC substations:Full-scale products and integrated solutions 19
Circuit-Breaker Platform for 550 kV 27
Siemens High-Voltage Circuit-Breakers for Use at Low Temperatures 34
3AP4/5 High-Voltage Circuit-Breaker for 800 kV 41
Disconnecting Circuit-Breakers (DCB) 45
Disconnectors and Earthing switches for 800 kV DC substations 51
Components
Modern stored-energy spring operating mechanism for high-voltage circuit breakers 55
Three-Pole Controlled Auto-Reclosing of Shunt Compensated Transmission Lines 61
Quality Management
High-Voltage Circuit-Breakers – Certified Quality 66
Capacity of switching test facility expanded Investing in quality 68
Development Process for High-Voltage Circuit-Breakers 71
Estimation of the measurement uncertainty of tests and calibrations in high-voltage test laboratories 76
Pressure and leakage testing of cast aluminium vessels for high-voltage circuit-breakers 81
Information, Training, Service
Global service from a single source 84
The training centre at the Schaltwerk Berlin – Information and training 86
Information Center Switchgear Factory Berlin
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High Voltage Circuit Breakers
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