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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. Which of the following aspects must be checked before the construction of the project? (Multiple choice)

A) Accept the engineering construction tasks, whether there are supporting personal protective equipment.
B) Accept the engineering construction tasks, whether there is proper training.
C) Check that the tools and personal protective equipment used in the construction are in good condition.
D) Whether the safety and risk assessment are completed before the construction of the project.

2. When the Huawei SUN2000 inverter is alarmed and cannot be connected to the network, the alarm ID is 313-1 (low insulation resistance). Which of the following measures can be taken to troubleshoot or try to solve? (Multiple Choice)

A) Reduce the insulation resistance protection threshold in the setting
B) Connect to the DC string one by one and try to start troubleshooting the fault string.
C) Use one test tool such as a shaker to detect the insulation resistance of each string one by one.
D) Check the AC insulation resistance value

3. 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) False
B) True

4. In the Huawei SmartLogger WEBUI device monitoring display interface, when the indicator light in front of the device name is displayed in blue, it indicates ____.

A) Broken chain
B) Non-grid state
C) Online
D) Loading

5. Huawei SmartLogger cannot communicate with background monitoring. What is the possible reason? (Multiple choice)

A) Communication line interrupted between SmartLogger and background monitoring.
B) SmartLogger Ethernet parameter settings are incorrect.
C) SmartLogger hardware failure
D) Background monitoring parameter settings are incorrect.

Solutions: