Working Mode
The R100020G1 charging module supports low-voltage and high-voltage modes
and provides full power output to be compatible with various vehicle models and
ensure fast charging. The charging module can be set to silent mode or standard
mode according to noise requirements.
Table 2-1 Working mode
Voltage Mode Noise Mode
Silent Mode Standard Mode
Automatic switching Supported Supported
Manual switching to
high voltage
Supported Supported
Manual switching to low
voltage
Supported Supported
The charging module works in automatic switching mode by default. It
automatically switches to the low-voltage or high-voltage mode based on the
output port voltage, preset voltage, or battery voltage reported by the monitoring
module.
The automatic switching mode of the charging module can be set to any of the
following:
1. Automatic switching based on the module output port voltage (factory
default)
2. Automatic switching based on the preset voltage
3. Automatic switching based on the battery voltage reported by the monitoring
module
Manual switching is also supported. You can manually switch to the low-voltage
or high-voltage mode on the system monitoring module.
● Low-voltage mode: The output voltage ranges from 150 V DC to 500 V DC. At
20 kW constant power, the output voltage ranges from 300 V DC to 500 V DC.
● High voltage mode: The output voltage ranges from 150 V DC to 1000 V DC.
At 20 kW constant power, the output voltage ranges from 500 V DC to 1000 V
DC.
The charging module works in standard mode by default. You can set it to silent
mode on the system monitoring module based on the noise reduction
requirements.
● Silent mode: The power is derated in this mode. The noise of the charging
module does not exceed 55 dB in any scenario.
R100020G1 Charging Module
User Manual 2 Overview
Issue 05 (2021-11-16) Copyright © Huawei Digital Power Technologies Co., Ltd. 7
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