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EVD Series High Precision Bidirectional DC Power Supply

.Constant DC voltage output
.Step mode/Gradient mode
.Editable overvoltage/overcurrent protection point


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Model: EVD

Summary

EVD Series High Precision Bidirectional DC Power Supply is a high precision DC power supply adopting two-stage conversion architecture, featuring high dynamic response, and bidirectional energy flow. Ideal match for E-motor (controller) testing, powertrain system testing etc. For E-motor testing, EVD can be used to simulate the overload capacity, efficiency, locked-rotor current, maximum speed, overspeed, and energy recovery performance of the electric motor and controller.

Items

Constant DC voltage output
Step mode/Gradient mode
Editable overvoltage/overcurrent protection point
Editable voltage drop/rise slew rate
Voltage compensation
External emergency stop

Advantages

Wide voltage and current output
High precision and resolution
High dynamic response in 3-6ms
Multi-filtering solutions
Superposition of ripple (Optional)
Fast CAN communication: 1ms
Standard communication interfaces: RS485, CAN, LAN, Ether CAT (optional)

EVD Bidirectional DC Power Supply

Models	Rated Power [kW]	Rated Current [A]	Rated Voltage [V]	Peak Power (60s) [kW]	Peak Current (60s) [A]	Voltage Range [V]
EVD-80-1000	80	300	266	120	450	24-1000
EVD-100-1000	100	350	285	150	525	24-1000
EVD-150-1000	150	500	300	200	666	24-1000
EVD-200-1000	200	600	333	250	750	24-1000
EVD-250-1000	250	600	416	350	840	24-1000
EVD-300-1000	300	750	400	400	1000	24-1000
EVD-400-1000	400	1000	400	500	1250	24-1000
EVD-500-1000	500	1200	416	600	1440	24-1000

Input Requirement
Phase	3φ3W+PE
Voltage	380V±15%
Frequency	50Hz±5Hz
Output Characteristic
Voltage Precision	±(0.1%·FS+5dgt)
Current Precision	±(0.1%·FS+5dgt)
Response Time	≤3ms (10%-90% sudden loading)
Switching Time	≤6ms (+90%~-90%)
Voltage Ripple (rms)	≤0.2%·FS
Load Regulation	0.1%·FS
Protection	OVP/OCP/OTP/Phase loss/Emergency stop etc.
Feedback Characteristics
Energy Recovery	Energy recovery is available in full power range.
iTHD	≤3%
Power Factor	≥0.99
Communication Interfaces
Local Interface	LCD
Remote Comms	RS485/LAN/CAN
Others	External emergency stop/Fault signal/Voltage compensation
Safety & Ambient Conditions
Insulation Resistance	≥20MΩ (500Vdc)
Voltage Withstand	2000Vdc (60s, no arcing/breakdown)
Ground Resistance	≤0.1Ω
Protection Level	IP21 (indoor)
Cooling	Fan cooling
Ambient Temperature	-10~40℃
Relative Humidity	0-90%RH (non-condensing at 25℃)
Altitude	≤2000m

Models	Rated Power [kW]	Rated Current [A]	Rated Voltage [V]	Peak Power (60s) [kW]	Peak Current (60s) [A]	Voltage Range [V]
EVD-80-1000	80	300	266	120	450	24-1000
EVD-100-1000	100	350	285	150	525	24-1000
EVD-150-1000	150	500	300	200	666	24-1000
EVD-200-1000	200	600	333	250	750	24-1000
EVD-250-1000	250	600	416	350	840	24-1000
EVD-300-1000	300	750	400	400	1000	24-1000
EVD-400-1000	400	1000	400	500	1250	24-1000
EVD-500-1000	500	1200	416	600	1440	24-1000

Input Requirement
Phase	3φ3W+PE
Voltage	380V±15%
Frequency	50Hz±5Hz
Output Characteristic
Voltage Precision	±(0.1%·FS+5dgt)
Current Precision	±(0.1%·FS+5dgt)
Response Time	≤3ms (10%-90% sudden loading)
Switching Time	≤6ms (+90%~-90%)
Voltage Ripple (rms)	≤0.2%·FS
Load Regulation	0.1%·FS
Protection	OVP/OCP/OTP/Phase loss/Emergency stop etc.
Feedback Characteristics
Energy Recovery	Energy recovery is available in full power range.
iTHD	≤3%
Power Factor	≥0.99
Communication Interfaces
Local Interface	LCD
Remote Comms	RS485/LAN/CAN
Others	External emergency stop/Fault signal/Voltage compensation
Safety & Ambient Conditions
Insulation Resistance	≥20MΩ (500Vdc)
Voltage Withstand	2000Vdc (60s, no arcing/breakdown)
Ground Resistance	≤0.1Ω
Protection Level	IP21 (indoor)
Cooling	Fan cooling
Ambient Temperature	-10~40℃
Relative Humidity	0-90%RH (non-condensing at 25℃)
Altitude	≤2000m

EVD Series High Precision Bidirectional DC Power Supply

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