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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. On-site problem management needs to develop a project problem tracking table. The tracking table is divided into an internal problem tracking table and a customer problem tracking table. The customer problem tracking table can be recorded according to the service engineer content, and does not need to be completely consistent with the customer's maintenance, but the internal problem tracking table should be in the same state as the company support team.

A) False
B) True

2. In the eLTE wireless transmission system, the RF1/RF2 indicator of the CPE module flashes at a frequency of 3HZ means?

A) The air interface signal weak intensity
B) The air interface signal is extremely weak
C) No air interface signal
D) The air interface signal strong intensity

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. What are the aspects of the EH control process? (Multiple Choice)

A) Behavioral supervision
B) Inspection
C) Corrective prevention
D) Acceptance criteria

5. Huawei SUN2000L household inverter alarm ID: 2031 (the grid phase line short circuit to PE), the possible reasons are () (Multiple choice)

A) Output phase line short circuit
B) Output phase line short circuit to PE
C) Output phase line has low insulation resistance to PE
D) Inverter detection error

Solutions: