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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. The default communication baud rate of Huawei PLC CCO module is 115200, which does not support modification.

A) False
B) True

2. Which of the following design is not suitable for a mountain photovoltaic power station system?

A) Subarray capacity adaptation terrain design
B) Design using height adjustable bracket
C) Keep the equipment away from the transformer box and use the mountain road for maintenance.
D) Component spacing design is tailored to local conditions, reducing occlusion

3. The following are island hazards (). (Multiple Choice)

A) Affect the protection switch action program on the power distribution system
B) The unstable nature of the supply voltage and frequency that occurs in the isolated island area can cause damage to the electrical equipment.
C) Endangering the safety of electric maintenance personnel
D) When the voltage phase is not synchronized when the power is restored, it will generate a surge current, which may cause another trip or damage to the PV system, load and power supply system.

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

5. In a fiber ring network scenario, a ring network can connect up to ___ SmartLogger2000.

A) 12
B) 18
C) 16
D) 15

Solutions: