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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. When the Huawei intelligent sub-array controller SmartACU2000B is powered on, the three-phase power main switch in the cabinet cannot be closed. The possible reason is () (Multiple choice)

A) The fuse in the communication cabinet is blown
B) Switch back-end loop failure
C) There is a short circuit or grounding problem in the pre-stage box input line
D) Three-phase power switch failure

2. The Huawei SUN2000 inverter standby mode includes the following () phases. (Multiple Choice)

A) Light detection stage
B) Initialization detection phase
C) Insulation resistance detection stage
D) No light stage

3. Regarding the input current detection circuit of Huawei SUN2000 inverter, which of the following statement is correct?

A) The input current detection circuit is inaccurate to a single string according to the MPPT detection.
B) Inverter input positive and negative poles cause the input current detection circuit to be damaged, and the inverter will be irreparable.
C) Monitor the input current of each string, and alarm when the string is working abnormally.
D) After the DC switch is closed, the input current detection circuit starts to work.

4. During the process of the project supervision, which of the following acts belong to the service engineer's on-site work responsibilities? (Multiple choice)

A) Inverter installation supervision, training, documentation, etc.
B) Feedback on the progress of project delivery to Huawei
C) Submit detailed system operation steps to the customer responsible person before major events such as equipment upgrades occur.
D) On-site inverter installation, adjustment and related wiring work

5. All models of Huawei SUN2000 inverter support PLC communication.

A) True
B) False

Solutions: