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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. The Huawei PID module adjusts the photovoltaic panel PV+ or PV- voltage to earth by injecting voltage between N line and ground line of the isolation transformer, to realize the inhibition of photovoltaic panel PID effect.

A) True
B) False

2. The input voltage of the photovoltaic inverter is an alternating voltage.

A) True
B) False

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

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

4. 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

5. SmartLogger2000 ALM indicator always green means ().

A) Near-end maintenance failure
B) Near-end maintenance success
C) Near-end maintaining
D) No near-end maintenance

Solutions: