Huawei H20-681-ENU HCS-Field-Smart PV Controller (Huawei Certified Field Specialist Smart PV Controller) Online Training
Huawei H20-681-ENU Online Training
The questions for H20-681-ENU were last updated at Nov 19,2024.
- Exam Code: H20-681-ENU
- Exam Name: HCS-Field-Smart PV Controller (Huawei Certified Field Specialist Smart PV Controller)
- Certification Provider: Huawei
- Latest update: Nov 19,2024
Huawei’s SUN2000 inverter communicates by PLC mode when the baud rate defaults to ().
- A . 400bps
- B . 9600bps
- C . 1900bps
- D . 115200bps
Huawei SUN2000 inverter recommended the bottom installation space requirements are:
- A . 600mm ≤ Distance From Bottom ≤ 730mm
- B . 600mm ≤ Distance From Bottom ≤ 800mm
- C . 600mm ≤ Distance From Bottom ≤ 900mm
- D . 730mm ≤ Distance From Bottom ≤ 900mm
When the Huawei SUN2000 inverter is alarmed and cannot be connected to the network, the alarm ID is 313-1 (low insulation resistance). Which of the following measures can be taken to troubleshoot or try to solve? (Multiple Choice)
- A . Reduce the insulation resistance protection threshold in the setting
- B . Connect to the DC string one by one and try to start troubleshooting the fault string.
- C . Use one test tool such as a shaker to detect the insulation resistance of each string one by one.
- D . Check the AC insulation resistance value
When the Huawei PID module is applied to the SUN2000 scenario, which of the following description is correct? (Multiple Choice)
- A . SUN2000 inverter must use three-phase three-wire system
- B . Inverter, AC combiner box, AC power distribution cabinet, etc. cannot have N line connection
- C . If the low-voltage side of the grid-connected isolation transformer is a star connection, the N-line can be led out and grounded.
- D . Does not support PV/PE compensation mode
Which of the following inverter parameters can be modified by the advanced user login Huawei SUN2000 APP?
- A . Secondary overvoltage protection point
- B . Secondary undervoltage protection point
- C . Primary overvoltage protection point
- D . Insulation resistance protection point
Huawei SUN2000 inverter power factor can be adjusted to ().
- A . 0.8 advance, 0.8 lag
- B . 0.85 advance, 0.85 lag
- C . 0.8 advance, 0.85 lag
- D . 0.85 advance, 0.8 lag
EHS includes environmental, occupational health and safety. Among them, occupational safety is the most important. Personnel behavior can neglect the impact on the environment and occupational health under the premise of ensuring safety.
- A . True
- B . False
The incoming and outgoing line mode of Huawei’s intelligent sub-array controller SmartACU2000B adopts up-out and down-in.
- A . True
- B . False
The default value of the RS485 communication address of the Huawei PID module is 1. To modify the RS485 communication address, you can modify it by logging in to the SmartLogger’s WEBUI interface.
- A . True
- B . False
In the Smartlogger WebUI interface, when the “Active Power Control” parameter is configured as “Enable”, the Smartlogger can perform active power control on the managed inverter.
- A . True
- B . False
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