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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. The input voltage of the photovoltaic inverter is an alternating voltage.

A) True
B) False

2. eLTE wireless transmission system, the default IP address of the CPE module EG860 is ___.

A) 192.168.1.10
B) 192.168.0.10
C) 192.168.1.1
D) 192.168.0.1

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

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

4. When the equipment in the common photovoltaic power station communicates via RS485, the communication distance cannot exceed 1000 meters.

A) True
B) False

5. When the Huawei PID module is applied to the SUN2000 scenario, which of the following description is correct? (Multiple Choice)

A) Does not support PV/PE compensation mode
B) SUN2000 inverter must use three-phase three-wire system
C) If the low-voltage side of the grid-connected isolation transformer is a star connection, the N-line can be led out and grounded.
D) Inverter, AC combiner box, AC power distribution cabinet, etc. cannot have N line connection

Solutions: