General
Live tank SF6 gas circuit breakers, whose rated voltage from 40.5kV to 550kV and rated current from 3150A to 5000A are provided with two kinds of operating mechanism, spring and hydraulic type. Motor is used in spring mechanism to charge closing spring and to charge opening spring du..
General
Live tank SF6 gas circuit breakers, whose rated voltage from 40.5kV to 550kV and rated current from 3150A to 5000A are provided with two kinds of operating mechanism, spring and hydraulic type. Motor is used in spring mechanism to charge closing spring and to charge opening spring du..
Type
Highest Voltage kV
Rated Primary Voltage kV
Rated secondary Voltage kV
Rated capacitance pF
Rated output/Accuracy class VA
Rated Insulation level
AC/SIL/BIL
kV
Creepage dista..
General
Application: three-phase AC 50Hz outdoor HV electrical apparatus, for switching under noload condition and electrical disconnecting between electrical apparatus and live circuit in rated voltage 35~220kV power system
Standard: IEC 62271-102
Type Designation
Working Condi..
General
Ratings: system voltage 3.6~12kV, rated current up to 3150A, AC 50/60Hz.
Application: applicable for power receiving and distribution and for control, protection and measurement of circuit.
Standards: IEC 62271-200
Type Designation
Working Condition
Ambient air tem..
General
Ratings: system voltage 3.6~12kV, rated current up to 3150A, AC 50/60Hz.
Application: applicable for power receiving and distribution and for control, protection and measurement of circuit.
Standards: IEC 62271-200
Type Designation
Working Condition
Ambient air tem..
General
1.1 Ratings: system voltage 24kV, rated current up to 1250A, AC 50/60Hz.
1.2 Application: applicable for power receiving and distribution of power plant and substations for control, protection and measurement.
1.3 Standards: IEC 62271-200
Type Designation
Working Cond..
Normal Service Conditon
Altitude: ≤1000m
Humidity monthly: 95%
Wind: ≤34m/s (corresponding to wind pressure of 700Pa)
Pollution class: Ⅲ class (25mm/kV)
Ambient air temperature: -35°C~40°C, temperature difference daily is not more than 30°C.
Max. temperature difference daily:..
General
Ratings: 0.22~500kV (porcelain), 0.22~220kV (composite)
Application: for protection of power transmission & distribution system from over-voltage.
Standards: IEC 60099-4: 2006, ANSI, etc.
Features:
l Silicone polymer housing composite metal oxide surge arrester and po..