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Help CenterSingle Phase AC230V 20kW Resistive Load Bank Stock Available
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AC LOAD BANKS
Purely resistive load bank is the most common type of load bank, and it proves equivalent loading of both generator and prime mover. That is, for each kilowatt of load applied to the generator by the load bank, an equal amount of electrical energy converts to heat by power resistors, in a general way, this heat must be dissipated from the load bank by air forced means or other convection.
The JMHing’s resistors are made by high quality finned tubular heating elements, they are of the type where the surface area is enlarged by a strip in order to heat gases. At high power the surface temperature is small and the heating element is short. Meanwhile, Load elements are cooled usually via Fan Forced Air, blower power is typically provided by an outside source. Selected load banks are available with blower power derived from the power source under test.
JMHing’s AC resistive load banks can be further divided into these categories:
- AC Small Portable: A resistive load bank easily carried or pushed on strong robust swivel wheels for testing and maintaining AC power equipment such as UPS systems and generators up to 150 kW.
- AC Large Portable: A resistive load bank on strong robust swivel wheels for testing and maintaining larger AC power equipment such as UPS systems and generators up to 1000 kW.
- AC Stationary: A resistive load bank for testing and maintaining AC power equipment such as UPS systems and generators at one location up to 4600 kW. Many models can be used as modular building blocks for applications requiring capacity of tens or hundreds of megawatts. Also the load banks can be loaded on a trailer for more flexibility.
- AC Medium/High Voltage: A resistive load bank for testing and maintaining larger generators and other AC power equipment up to 7000 kW and up to 15,000 volts.
AC resistive load banks | ||||||
Models | 230VAC-6kW-R | 480VAC-30kW-R | 480VAC-60kW-R | 480VAC-100kW-R | 480VAC-200kW-R | 480VAC-400kW-R |
Capacity | 1-6kW | 10-30kW | 30-60kW | 60-100kW | 100-200kW | 200-400kW |
or units can be designated at any capacity made to order | ||||||
Rated voltage | 230VAC | 480VAC | ||||
or units can be designated at any voltage made to order | ||||||
Rated current | 1 phase: 26A | 1 phase: 36A 3 phases: 108A | 1 phase: 72A 3 phases: 216A | 1 phase: 120A 3 phases: 361A | 1 phase: 240A 3 phases: 721A | 1 phase: 481A 3 phases: 1443A |
Frequency | 50Hz/60Hz | |||||
PF | PF=1.0 | |||||
Minimum load step | 100W | 100W | 100W | 1kW | 1kW | 1kW |
or units can be designated at any minimum load step | ||||||
Display | Voltage, Current, Frequency, Power and PF displayed by digital meter | |||||
Protection | Overheating alarm, Short circuit protection, Overheating protection, Emergency stop button, All protection can be configured optionally | |||||
Control mode | Manual control by MCBs or button switches or toggle switches | |||||
Air flow | horizontal | vertical | horizontal | horizontal | horizontal | horizontal |
Force-air cooling | ||||||
Dimensions | 49*60*21(cm) | 50*67*116(cm) | 51*97*110(cm) | 81*97*155(cm) | 80*120*161(cm) | 80*180*150(cm) |
Options | Handle panel or PC remote control selectable | |||||
Ambientparameters | Maintains maximum capacity in ambient conditions up to 55° C, and 95% humidity | |||||
Product name | 230VAC-20kW-R Load Bank |
Model number | 230VAC-20kW-R |
Capacity | Maximum power 20kW resistive load for single phase supply |
Design voltage | Single phase, 230VAC |
Power range | 50Hz/60Hz |
Control system | local manual controlled by switches fixed in the enclosure front |
Power factor | 1 |
Load segment | Resistive loading single phase Resistive load: 100W/200W/200W/500W/1kW/2kW/2kW/5kW/5kW/5kW total 21KW
Or units can be designed at any loading procedure made to order |
Display | Digital meter(current, voltage, power, frequency, PF) |
Minimum load steps | 100W |
Cooling | Force-air cooling by axial-flow fans Control power 220VAC or 110VAC, single phase |
Air flow | Horizontal |
Load elements | Sheathed alloy resistors and external heatsink |
Protection | (1)Short circuit protection (2)Overheating alarm (3)Emergency stop button |
Enclosures | Steel bodied enclosure |
connectors | A, N |
Dimensions | Height: 80cm Width: 50cm Length: 67cm |
Ambient parameters | Maintains maximum capacity in ambient conditions up to 55° C, and 95% humidity |
Transportation | Robust swivel wheels and housed in a sheet steel enclosure |
The load banks will be tested for all necessary factory tests and site tests before delivery, e.g. 1kV insulation resistance test, 2.5 kV high-voltage dielectric strength test, temperature rise test at full load, functional tests, etc. | |
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