Offshore PV load bank testing

System composition: cabinet+resistive simulated load+heat dissipation device+control module+display+protection

Nameplate capacity: 400kW

Rated voltage: AC380V

Usage frequency: 50/60Hz

Operating voltage: AC0V-AC415V

Rated current: 577A

Loading accuracy: ± 3%

Load connection method: three-phase four wire system

Gear step: 1kW

Parameter measurement accuracy parameters: voltage, current, frequency, power, power factor

Display accuracy level 0.5,

The sampling accuracy of the instrument is 0.5 level.

Insulation level F

Continuous working mode

Working power supply AC380V, 50Hz, 3P5W.

Cooling method: forced air cooling (side down air inlet, top back air outlet)

The load step can be adjusted arbitrarily from 1kW to 400kW, with a minimum adjustable power of 1KW.

Operation mode: Touch screen manual control/upper computer control, Ethernet connected to remote system control.

The control logic can be loaded by inputting the required power by the user, and the loading logic can also be modified according to the user's requirements.

The communication protocol TCP communication interface uses the standard Modbus-TCP protocol, and the specific address definition can be found in 5 Communication Control

Parameter display displays voltage, current, power, and inlet/outlet temperature

Protection functions short circuit, overvoltage, overcurrent, high temperature, phase sequence, air volume, emergency shutdown protection

Conventional design working noise ≤ 85dB (3M)

Size W1100mm * D1000mm * H1900mm

Weight 450kg

Box color: stainless steel natural color

The mobile mode box has load-bearing lifting holes and car insertion sockets, which meet the conditions for long-distance transportation by car;

The incoming circuit breaker is equipped with two incoming circuit breakers, with equal load sharing.

Box material: stainless steel

Protection level for indoor use, control room IP20, ventilation duct IP54, and isolation between control room and ventilation duct.

The resistance unit is salt spray resistant and waterproof to IP56, suitable for marine salt spray environments.

Operating environment temperature -15 ℃~+55 ℃

Use altitude ≤ 2000 meters

Relative humidity ≤ 95% RH

Atmospheric pressure 86-106Kpa

Shock absorption and

Anti vibration measures: Each component adopts anti loosening measures such as spring frame washers.