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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. The reactive power adjustment mode supported by Huawei SUN2000 inverter is () (Multiple selection)

A) Power factor fixed value adjustment
B) Reactive power fixed value adjustment
C) Power factor characteristic curve adjustment
D) Q-U characteristic curve adjustment

2. Things to be aware of when the device uses RS485 communication networking (). (Multiple Choice)

A) When wiring, separate the communication line from the power line
B) It is recommended to use outdoor shielded twisted pair cable for communication cable.
C) The distance of the line should not exceed 1000 meters
D) Communication cables should avoid interference sources during wiring

3. In the NetEco1000S system, when setting up remote notification, the customer can select which category of the alarm information? (Multiple selection)

A) Secondary
B) Emergency
C) Prompt
D) Important

4. Huawei SUN2000L user inverter full load operating temperature range is ____.

A) -25 degree Centigrade ~+60 degree Centigrade
B) -25 degree Centigrade ~+45 degree Centigrade
C) -30 degree Centigrade ~+60 degree Centigrade
D) -30 degree Centigrade ~+45 degree Centigrade

5. The photovoltaic sub-array adopts the Huawei PLC communication network. The reason why the Huawei PLC CCO module and the SUN2000 inverter fail to network during communication debugging? (Multiple choice)

A) The inverter is not powered
B) PLC CCO module RS485 communication parameter setting is wrong.
C) PLC CCO module is not connected to AC power line
D) PLC CCO module is not powered

Solutions: