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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. MPPT - The working principle of maximum power point tracking is that the microprocessor periodically adjusts the duty ratio D of the PWM periodically to change the output current of the solar cell during a specified period, thereby causing the output voltage of the solar cell to change. The solar cell output voltage and output current are calculated, and the output power of the solar cell array is calculated, and then the position of the maximum power point is found according to the maximum power point tracking strategy.

A) True
B) False

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

3. If you want to connect the Smartlogger to the NetEco1000S system, you need to set the IP address of the NetEco server correctly in the smartlogger.

A) True
B) False

4. When Huawei SUN2000 inverter adopts RS485 communication mode, the device has two RS485 interfaces: IN and OUT. These two interfaces can be used interchangeably.

A) True
B) False

5. Huawei Smart Sub-array Controller SmartACU2000B does not support the use of PLC communication.

A) True
B) False

Solutions: