Huawei H20-681-ENU

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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

Question #1
When the PV sub-array adopts Huawei PLC communication networking, the knife-melting switch needs to be added between the box-changing busbar and the Huawei PL CCO module. The rated current of the fuse cannot be less than ____.

A. 5
B. 6
C. 15
D. 10

Question #2
Which of the following rated voltage of the grid is supported by Huawei SUN2000 inverter is? (Multiple choice)

A. 380VAC
B. 630VAC
C. 500VAC
D. 480VAC

Question #3
NetEco1000S system monitoring interface display content includes ____. (Multiple choice)

A. Inverter operating parameters
B. Power generation on the day
C. Active power curve
D. Total power generation
E. Power station revenue
F. CO2 emission reduction

Question #4
In the photovoltaic application scenario where the agricultural light is complementary, Huawei's smart photovoltaic solution has which of the following advantages? (Multiple choice)

A. High-precision leakage current detection protects personnel safety
B. DC-free fuse design reduces fire risk
C. Inverter bracket installation, no need to be equipped with inverter housing
D. The inverter is installed close to the component to reduce the fire caused by DC arcing

Question #5
When RS485 communication is set up, Smartlogger manages multiple inverters through one RS485 communication link, and one of the inverters is disconnected from SmartLogger. The possible reasons are (). (Multiple Choice)

A. Inverter hardware failure
B. RS485 line interruption
C. Inverter communication parameter setting error
D. The inverter is not powered

Solutions: