load bank

Main parameters and fitting 1Resistance load equipment: 157KW 2Power factor: 1.0 3Test voltage: three phase AC voltage 460V 4Frequency: 50--60Hz 5Active power step: 6Normal Operational Conditions In summer the ambient temperature is 45,humidity is 90%.In winter the ambient temperature is -20, humidity is 50% 7ventilation power and the control power of the load bank are 3 phase 4 wire ( AC200V + PE), total control power is 1 KW. 8Cooling mode: forced air convection, the fanner with axial-flow: 500FZLC4P,the direction of the air is coming from the bottom and outgoing from the above. 9Controlling mode: Manual control. 10Load bank rated power error: thermal state: ±4, cold state: ±2. 11Protection device: over-current, short-current, over-load protection for the fanner. With over heat and over load protection for resistance pile. 12) the temperature for load bank outlet is about 250, temperature for enclosure is 5-10 higher then normally temperature, with partition for resistor and enclosure. 13) IP for control part: IP43, IP for resistor part: IP23 14) Insulation degree for motor: F 15) Working mode 12Weight: Main units 1resistance tube: we selected self developed stereo-type resistance unit, the unit impedance is above DC500V 100MΩ,the withstand voltage is AC2000V/minitue,each resistance tube resistance error is ±2%. 2Main circuit Specification of the cable: AGRP thermo stable wire2.5 mm2,16 mm2 Contactor: A9 series contactor of Schneider Circuit breaker: S260 series circuit breaker of Schneider 3the fanner with axial-flow: 500FZLC4P 4instrument: 6L2 5Transformer: ALH-0.66, Precision 0.5 of Shanghai Second Factory. 6overall dimension: L: 101 X W830 X H2000