Page 27 - YINGMING POWER(HIGH VOLTAGE)

LW36-126
OUTDOOR HIGH VOLTAGE
SF6 CIRCUIT BREAKER YINGMING POWER
Main technical parameters of the organization

project unit parameter
Auxiliary loop voltage V DC220 or DC110
Split and close coil voltage/current V/A DC110/4；DC220/2
Rated voltage V DC220、 AC220/DC110、AC110

Energy storage motor Normal operating voltage range V 85% ～ 110%
power W 600
Motor storage time s ≤ 15
Heater and lighting loop voltage V AC220
Auxiliary switch rated voltage V DC220、AC220
Auxiliary switch rated current A 10
Auxiliary switch contacts 10 normally open +10 normally closed

The main technical parameters

project unit parameter
Rated voltage kV 126
To the ground K•230
Rated power frequency withstand voltage
Fracture room K•265
To the ground kV K•550
Rated lightning impulse withstand voltage
Fracture room K•630
Power frequency withstand voltage of SF6 gas retail gauge (5min) K•95
Rated frequency Hz 50
Rated current A 3150
First opening factor 1.5
Rated short-circuit breaking current kA 40
Rated short circuit closing current (peak) 100
Rated short-circuit withstand current kA 40
Rated peak withstand current 100
Rated short circuit duration s 4
Rated out-of-step breaking current kA 10
Near-field fault breaking current kA 90%IK,75%IK
Rated line charging and closing current A 31.5
Rated operation sequence O-0.3s-CO-180s-CO
Main loop resistance μΩ ≤ 40
Rated sulfur hexafluoride gas pressure (20℃ gauge) Mpa 0.6
Alarm / minimum function pressure (20℃ gauge) Mpa 0.55±0.03/0.50±0.03
Sf6 gas annual air leak rate 〈0.5%
Gas moisture content (V/V) ≤ 150×10-6
Mechanical life Times 10000
Radio interference level μV ≤ 500
Fracture room 3906/3150
Creepage distance mm
To the ground 3906/3150
Each is filled with SF6 gas quality kg 10
Quality of each circuit breaker kg 1500

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