Product Description
The V3 seriesall-in-one fuel cell PCU converter integrates a fuel cell DC/DC boost converter(DCF), a 24V output DCL, a high-speed air compressor controller (FCC MCU) and ahigh-voltage power distribution unit (PDU). It saves the space of thehigh-voltage electrical system and simplifies the design and installation of the power system.
Feature
Basedon existing batch product development and integration, product maturity is high;
Deepin tegration and rational layout greatly improve product power density;
The product has excellent electromagnetic compatibility;
The application of wide bandgap semiconductor improves the conversion efficiency ofthe system;
High-voltagepower distribution can be flexibly configured according to customer needs;
For the same design, there are versions for direct connection of stack bus bar andconnector connection;
V3.2integrates 24V output 3kW DCL, and stack insulation detection module (optional);
V3.3,V3.6, V3.8 integrated air compressor motor controller;
V3.5integrates 24V 6kW DCL, air compressor controller, BOP PDU;
All series of optional integrated fuel cell AC impedance online monitoring module;
Suitable for passenger car and commercial vehicle voltage platform.
Product Model and Technical Parameters
Product number
V3.2
V3.3
V3.5
V3.6
V3.8
DC/DC Boost Converter (DCF)
Input voltage range
80~600VDC, can be configured according to customer needs
Input rated power
60~200kW
200~300kW
Input rated current
400~750A, can be configured according to customer needs
Current and voltage accuracy
<1%FS (input current can be selected as 0.1%)
Input current response
<10ms (10%FS→90%FS)/adjustable
Output voltage range
250~750VDC, can be configured according to customer needs
450~850V
Output maximum current
350A
600A
Conversion efficiency
＞98%
Control method
Input constant current control/output constant voltage mode/stack cold start mode/open circuit voltage limit mode
Integrated Air Compressor Controller (FCC MCU)
Input power
none
Rated 25kW/35, peak 35/45kW
Rated 60kW
Rated output current
none
70Arms/100Arms
120A
Maximum frequency
none
3kHz/180,000rpm (one-pole motor)
Current harmonic content
none
<3% @ rated current
Conversion efficiency
none
＞98%
Integrated High Voltage Power Distribution (PDU)
Configure
Input main positive contactor, output main positive and negative contactor, residual hydrogen discharge circuit, output fuse, BOP auxiliary output, etc.
Integrated DCL
Output voltage range
27.5V±5%
none
27.5V±5%
none
none
Rated/Maximum Power
3kW/3.5kW
none
6kW/6.6kW
none
none
Voltage regulation accuracy
＜1%FS
none
＜1%FS
none
none
Voltage ripple
＜5%FS
none
＜5%FS
none
none
Maximum current
125A
none
230A
none
none
Integrated stack insulation monitoring module (IDM)
Stack insulation monitoring
Optional
none
Integrated stack internal resistance monitoring module (EIS)
Stack internal resistance monitoring
optional
System parameters
Communication method
CAN2.0B, 250kbps or 500kbps
Low voltage power supply
9~36VDC, optional sleep mode
Connection to the stack
connector connection
bus bar direct connection
or connector
bus bar direct connection
or connector
connector connection
connector connection
Dimensions
635*455*99mm
562*542*120mm
786*505*110mm
726*494*124mm
683*503*104mm
Reference weight
48kg±5%
55kg±5%
60kg±5%
55kg±5%
55kg±5%
Protection class
IP67
Cooling method
liquid cooling
Flow requirements
≥20L/min
Inlet temperature
-40~65℃
Ambient temperature
Working temperature -40~85℃/Storage temperature -40~105℃
Working altitude
0~3000m, no derating
Relative humidity
0~100%, surface condensation can work normally
Protective function
Input over-under-voltage, over-current, anti-reverse connection; output over-under-voltage, over-current, anti-reverse connection, short circuit; module over-temperature, ambient over-temperature, communication interruption, etc.
