China 66kv 110kv 145kv 60Hz Tanque Vivo Interrupter

•1.General structure

•

•The product of type LW-170 HV SF6circuit breaker , with single break structure, adopts self energy arc interrupting principle in its interrupter . The operating mechanism is of three-phase electrical group operation. The three poles are install on one frame and controlled by one spring mechanism.

•The upper of the product is interrupter and the middle is support insulator bushing and frame, and the spring mechanism is in the middle of the frame.

•The electrical control device, density device and the mechanism energy store device are in the mechanism box.

• 2.Technical data

•Rated voltage 170kV

• Rated frequency 50HZ

• Rated current 3150A

•Rated short circuit breaking current 31.5kA ,40kA

•Rated short time withstand current31.5kA , 40kA

•Rated short circuit making current80 kA, 100kA

• Rated peak withstand current80 kA, 100kA

• Power frequency withstand voltage for 1 min 325 kV

• Rated Lightning impulse withstand voltage750 kV

• Rated SF6 gas pressure(200C)0.6MPa (Required 0.64MPa)

•Total travel 180 MM

•Circuit breaker distance145 MM

•Operation mechanism type CT20-III(X)P spring mechanism

TECHNICAL SPECIFICATIONS CIRCUIT BREAKERITEMCHARACTERISTICSUNITTOTORAS (1) ESMERALDAS (1) PORTOVIEJO(1)OFFERED TECHNICAL SPECIFICATIONSTYPE - C1TYPE OF CIRCUIT BREAKER REQUIRED1.1Type (similar to) 170 MHM-20 C LW-1701.2Detail type Tank Live, Single-Phase in SF6 Tank Live, Single-Phase in SF6 1.3Use GeneraLGeneraL1.4Opening Single-PhaseSingle-Phase1.5Arc extinguishing medium SF6SF62REQUIRED QUANTITY 333INSTALLATION OutdoorOutdoor4CHARACTERISTICS OF CIRCUIT BREAKER4.1Number of Poles 334.2Nominal voltagekV1701704.3Dielectric strength and atmospheric impulse at sea levelkVpic7507504.4Industrial frequency dielectric, a minute at sea levelkV3253254.5Minimum distance of contouring (pollution level III)mm362536254.6Nominal frequencyHz60604.7Rated normal currentA125012504.8Nominal current interruption of line vacuumA63634.9Nominal current interruption of cable in vacuumA1601604.10Rated short circuit interruption -Effective value of the alternating componentkArms20204.11Opening of the first polo factor 1.31.34.12Reason for increase of the recovery voltage to 100% of the rated breakig capacitykV/us224.13Nominal capacity of closing shortkA1041044.14Rated operating sequence O- 0.3"/CO- 3'-COO- 0.3"/CO- 3'-CO4.15Rated duration of short circuits114.16Rated interruption in discordance of PoleskA10104.17Maximum total interrupt timems50504.18Mechanism of operation (closing - Shooting) Engine - SpringEngine - Spring4.19Drive mechanism Single-PhaseSingle-Phase4.20Number of circuits independent of firing 125 Vdc 224.21Mechanical strength (standard IEC 62271-100) class M2M24.22Kind of electrical resistance (standard IEC 62271-100) E2E24.23Voltage control and engineVDC1251254.24Voltage of auxiliary servicesVAC1201204.25Terminal connector for AAC 1033 kcmil conductorYES/NOYesYes4.26Insulators material PorcelainPorcelain4.27metal support structureYES/NOYesYes