KEISOKU GIKEN NT-AD-50KH-L AC/DC Regenerative Electronic Load (50kW; 750V; 200A)

Basic functions

Rating:

Rated power: 50kw

Rated voltage: 750V

Rated current: 200A

Minimum operating voltage: 0V

Ripple current: Within 4 Ap-p (switching frequency component)

Efficiency: Power regeneration efficiency: 90% (at full load)

Constant voltage (CV) mode: Voltage setting range: 0 to 750V

Constant current (CC) mode: Current setting range: 0 to 200A

Constant Resistance (CR) Mode: Current setting range: 0.1Ω to 3.00kΩ

Constant Power (CP) Mode: Power setting range: 0 to 50kw

MPPT mode: Mountain climbing method (factory option)

CC+CV mode: The setting range, resolution, and accuracy are based on CC mode and CV mode.

CP+CV mode: The setting range, resolution, and accuracy are based on CP mode and CV mode.

Soft Start: 0, 1, 2, 5, 10 sec

Measuring part

Voltage measurement: Voltage measurement range: 0.0 to 750.0V

Current measurement: Current measurement range: 0.0 to 200.0A

Power measurement: Power measurement range: 0 to 50kw

Limit function

Voltage limit: Voltage setting range: 0 to 760V

Current limit: Current setting range: 0 to 200A

Power limit: Power setting range: 0 to 50kw

Interface: LAN; RS-232C

Standard specifications

Power supply: Input Rating: Grid side: 3-phase 3-wire 400±40V, 50 Hz ±2 Hz or 60 Hz ±2 Hz

Overvoltage category II

Power factor: At maximum load: 0.9 or higher

Input power: No load: 800 VA or less

Input current:

At maximum load (at AC400V): 60 Arms

At maximum load (at AC360V): 73Arms

Recommended circuit breaker: AC 100A

Mass: Main unit only: Approximately 950kg or less

Size: Excluding protrusions: W600 × H1977.5 × D900mm

Cooling method: Forced air cooling by fan

Withstand voltage:

Input-Output: No abnormalities were observed when AC1800V was applied for 1 minute.

Input-FG section: No abnormalities were observed when AC1800V was applied for 1 minute.

Insulation resistance: Input-FG section: DC500 V, 30 MΩ or more

DC-only model

Industry-leading regenerative efficiency of over 90%

Capacity expansion by combining multiple units