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AC 380V 500kW Resistive Load Bank

AC 380V 500kW Resistive Load Bank

The AC 380V 500kW Resistive Load Bank is designed for load testing, capacity verification, and burn-in testing of high-power AC power supplies. It is suitable for:
Factory testing and periodic maintenance of diesel/gas generator sets
Full-load and step-load testing of data center UPS and EPS systems
Acceptance testing of PV inverters and wind power converters
Commissioning of marine power plants, shore power systems, and backup power supplies for telecommunication hubs
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Description
Technical Parameters

Hebei Kaixiang Electrical Technology Co., Ltd. is one of the leading manufacturers and suppliers of ac 380v 500kw resistive load bank in China. If you're going to wholesale bulk advanced ac 380v 500kw resistive load bank, welcome to get pricelist from our factory. All customized products are with high quality and competitive price.

 

Measuring Control Function

 

--Load testing: load power that not beyond the rated power, testing and display stable state 3 phases voltage, current, active power, frequency, working time, etc of generator sets.

--Control Pattern: user can choose local control and intelligent control.

--Local Control: Manual load/unload control and viewing of test data via switches and meters on local control panel.

--Intelligent Control: Through data processing software in PC, user can make automatic load, display, record and manage testing data, to form curves, tables, also to print them.

--Control Pattern interlock, there is control pattern switch, when choose one control pattern, operation of the other pattern is invalid, avoid the clash.

--Load/unload with one key: Whether manual control or software control, user can preset power, then press load master button. Load bank loaded according to preset power to avoid load fluctuation during power changing.

--Local meter display data: local meter can display 3 phases voltage, current, active power, frequency and so on.

 

Software Function

 

--Communication pattern: Intelligent control use photoelectric isolated RS485 interface connect to PC, with great anti-interference performance to make system control stable. Also user use USB or RS232 communication interface.

--Load pattern: Manual Load or Automatic Load.

--Manual Load: Input power, system load according to preset power.

--Automatic load: user can preset power and length of working time of several load periods, as per 0%→25%→50%→75%→100% or 110% to make testing.

--Parallel testing(extended function): when several load banks work in parallel, use can make parallel testing via software, can display, record parameters of every load bank and whole system parameter of parallel operation.

--Real-time parameter:Current, voltage, power, power factor, frequency and time could be displayed by software.

--Safety monitoring: Through software indicator light, load bank status can be visually monitored, and reason of shutdown will be prompted when protection is abnormally shut down.

--Data Collection Interval: minimum steady-state data resolving time is 1 second,

---Data Save and Query: All test data be saved in software, according to set number, easy and fast check history test data.

--Graphical display: Can show real-time or history testing data, and support to print following curves and graphs:

1) Graphs of real-time voltage, current, frequency and power;

2) Voltage graph

3) Current graph;

4) Power graph;

5) Frequency graph;

6) Power factor graph

--Data Format: all curves and graphs are outputted as".word", testing reports are outputted as".xls"format, print is available.

 

Technical Parameters

 

 

Rated Voltage

/Frequency

Three-phase four-wire AC system with ground connection, operating at 380V/50Hz, compatible with 60Hz;

Max Load Power

510kW;

Load Step

Resistive load: divided into 11 gears,

Respectively: 1,2,2,5,10,20,20,50,100,100,200kW.

1. When used below the rated voltage, the gear power decreases according to Ohm's law.

Power Factor

1

Load Tolerance (each step)

±5%

Load Tolerance (overall)

±3%

Display Precision

0.5 class

Control Power Supply

External AC three-phase five-wire (L1/L2/L3/N/PE) AC380-400V, 50/60Hz;

Wire Connection

Load Power Supply Input--Copper bar (Star Connection)

Control power supply input--Terminal Block

Communication Interface

RS485

Insulation Class

F Class

Working Mode

Continuous Working

Cooling

Forced air cooling, horizontal inlet and outlet, Air inlet and outlet with louvered frame and plate

Transportation

With lifting eyes and wheel castors and forklift at bottom.

Casing Color

RAL7035

Dimension

About 1820mm×1400mm×1190mm

(long × wide × High, excluding the height of casters and lifting rings)

Weight

About 700kg

Operating Environment Parameter

Workplace

Outdoor

Work Temperature

-20℃~+55℃

Relative Humidity

≤95%

Altitude

≤2500M

Atmospheric Pressure

86~106kPa

 

-201

-202

 

 

 

 

 

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