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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. 10
D. 15

Question 2

The number of the maximum connectable PLC STA of each of the Huawei PLC CCO modules are ().

A. 90
B. 80
C. 100
D. 60

Question 3

Low Voltage Ride Through (LVRT) means that when a power system accident or disturbance causes a voltage drop at the grid connection point of a PV power plant, the PV power plant can ensure continuous operation without off-grid.

A. True
B. False

Question 4

When the equipment in the common photovoltaic power station communicates via RS485, the communication distance cannot exceed 1000 meters.

A. True
B. False

Question 5

The problems faced by the agricultural and photovoltaic complementary photovoltaic power station program are _____. (Multiple choice)

A. How to reduce the waste of cultivated land resources
B. How to prevent fire, electric shock and other safety accidents
C. How to overcome the problem of sub-array dispersion and irregularity
D. How to prevent the communication cable from being easily cut off

Solutions: