400V 3Phase 50KW UPS capability loading test Inductive and Resistive AC load/lank
Why need load bank testing
It is really critical to ensure that your standby power supply system say UPS(uninterrupted power supply), battery bank, generator, transformers, inverter etc which especially located in harsh, dusty or corrosive environment working in good condition, when you need them most, if switched to be loaded when the main power supply in maintenance procedure or stop abnormally.
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FORESIGHT AC/DC load banks applications Ø Battery bank system Ø Energy storage system Ø Energy meter loop load test Ø Datacenter rack heat simulating Ø PV system Inverter anti-islanding test Ø Voltage regulator, rectifier aging load test Ø Genset, UPS load bank commission testing Ø AC/DC power supply, power source commission acceptance test |
FORESIGHT series load banks loading elements (load bank types) Alloy resistors, inductors & capacitors loading elements are combined used in FORESIGHT series AC/DC load bank as per clients’ need in different applications: Ø Pure resistive AC load bank Ø Pure resistive DC load bank Ø RCD non-linear AC load bank Ø Resistive & inductive combined AC load bank Ø Resistive, inductive & capacitive combined AC load bank |
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FORESIGHT series load banks protections Standard protections: Ø Emergency pause operation: one-key stop loading Ø Over temperature alarm/protection: alarm & remove load Ø Fan interlock protection: loading available after fan activated Ø Over voltage protection: alarm & remove load |
Optional protections Ø Blower thermal overload protection: alarm & remove load Ø Short circuit protection by fuse(over current protection) Ø Phase sequence protection(for fans with 3phase voltage) Ø Or other functions as requested |
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FORESIGHT series load bank control modes Two control modes available for FORESIGHT series AC/DC load banks: The local panel control mode and the PC software remote control mode. Local panel control mode available as below listed: Ø By contactor Ø By circuit breaker Ø Or other switches as requested |
PC software remote control(optional) FORESIGHT series AC/DC load bank remote control communication protocol would be provided for clients’ integrating the load bank into the ATE system |
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Technical Specifications |
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Model |
FST-AC400V-50KW-RL Resistive & Inductive AC Load Bank |
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Load Element |
Alloy resistors & Inductors |
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Load Voltage |
AC400V 3phase 4wire, 50Hz |
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Load Power |
Resistive: 50KW for AC400V 3phase 4wire, 50Hz Inductive: 37.5KVar for AC400V 3phase 4wire, 50Hz |
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Load Steps @AC400V 3P4W |
Resistive Load Steps (three phase controlled): 1KW, 2KW, 2KW, 5KW, 10KW*2, 20KW (1KW-50KW adjustable) Inductive Load Steps (three phase controlled): 0.5KVar, 1KVar, 2KVar, 2KVar, 5KVar, 7KVar, 10KVar, 10KVar (0.5KVar-37.5KVar adjustable) |
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Power Factor |
PF=0.8 and adjustable by client |
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Load Accuracy |
Resistive: ±5%, Inductive: ±10% |
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Digital Meter |
Voltage, Current, Power, Frequency, Power Factor and etc. |
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Power Supply |
220V 50Hz, single phase |
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Control Mode |
1. Manual control by push button 2. Remote control by PC software |
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Wire Connections |
Copper bus bar for wire connections |
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Insulation Class |
F |
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Protection Level |
IP20(indoor use) |
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Fan Noise |
75dB |
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Cooling Mode |
Force-air cooling |
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Work Mode |
Continuous work |
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Protections |
Overheating/buzzer alarm, overheating/over voltage protection, emergency stop button |
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Ambient Temperature |
-10℃~+50℃ |
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Dimension |
700*850*1600mm |
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Weight |
250KG |
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Mobility |
Four wheels |
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Humidity |
≤95% |
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Altitude |
≤2500 meters |
Each load bank includes the standard items:
Load Bank Main Unit--1 set
Main Unit Power Cord--1 pcs (inside load bank)
Products primary and secondary diagram (Products components wire connection diagram)--1 pcs (digital copy)
User Manual--1 pcs (digital copy)
Load Bank Operation Guide
Make sure all load bank switches and EUT(equipment under test) are POWER
OFF before connections.
Plug in the power cord to load bank power socket
Make load cables connections between load bank connection terminals and EUT
terminals accordingly by sequence of phase A/B/C/N/PE. Make sure from one cable to another.
Check again to make sure all load cables connection reliable.
Load bank mains supply power on, push on the green “Power”--fans working.
Power on the EUT
Push on the red load steps control switch “LC”--ready to load test.
Turn on/off the mini circuit breakers to adjust the load power.
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