최신 H20-681-ENU 무료덤프 - Huawei Certified Field Specialist -Smart PV Controller

문제1

When Huawei SmartLogger "Device Auto Access" is set to "Enable", SmartLogger will automatically search for devices every 10 minutes and automatically access new devices.

A. True

B. False

정답: A

문제2

When the SUN2000 inverter has an alarm and the alarm ID is 121-1 (group reverse), the inverter DC switch should be disconnected immediately according to the safety operation specification.

A. True

B. False

정답: B

문제3

During the operation of Huawei SUN2000L household inverter, the inverter "DC SWITCH" can be directly set to "OFF" for shutdown operation.

A. True

B. False

정답: A

문제4

In the DC 1000V PV system application scenario, the output voltage range of Huawei PID module is ().

A. 50-800V DC

B. 0-550V DC

C. 50-500V DC

D. 0-800V DC

정답: C

문제5

SmartLogger2000 RS485 communication supports how many bps of baud rate? (Multiple choice)

A. 2400

B. 4800

C. 9600

D. 115200

정답: A,B,C,D

문제6

Under the same lighting conditions, the panel operates with a unique maximum power point that is neither the maximum output voltage point nor the maximum output current point.

A. True

B. False

정답: A

문제7

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. Inverter installation supervision, training, documentation, etc.

D. Submit detailed system operation steps to the customer responsible person before major events such as equipment upgrades occur.

정답: A,C,D

문제8

In the requirements for safe construction work, which of the requirements for on-site management are correct?

A. Safety production education for construction workers before starting work

B. Special operators (such as climbing, welders, etc.) must hold a certificate of employment

C. Specific engineering projects must have specific safety production management regulations

D. Construction of hazardous areas should be equipped with necessary protective equipment and safe working tools

정답: D

문제9

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. If the low-voltage side of the grid-connected isolation transformer is a star connection, the N-line can be led out and grounded.

C. Inverter, AC combiner box, AC power distribution cabinet, etc. cannot have N line connection

D. SUN2000 inverter must use three-phase three-wire system

정답: A,C,D

문제10

Huawei PID module alarm ID: 1921 (grounding abnormal), the possible reason is (). (Multiple Choice)

A. The box corresponding to the PID module is changed to N-line grounding.

B. PID module output ground is not connected

C. Poor contact of the PID module output ground

D. PID module hardware failure

정답: A,B,C,D

최신 H20-681-ENU 무료덤프 - Huawei Certified Field Specialist -Smart PV Controller

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