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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. The highest DC input voltage of Huawei SUN2000-33KTL is ()V and the highest DC input voltage of SUN2000-36KTL is ()V.

A) 1000, 1100
B) 1100, 1000
C) 1000, 1000
D) 1100, 1100

2. When RS485 communication is set up, Smartlogger manages multiple inverters through one RS485 communication link, and one of the inverters is disconnected from SmartLogger. The possible reasons are (). (Multiple Choice)

A) The inverter is not powered
B) Inverter communication parameter setting error
C) Inverter hardware failure
D) RS485 line interruption

3. The device that cannot be upgraded by the NetEco1000S system for remote software is ()

A) Environmental monitor
B) SmartLogger 2000
C) SUN2000 inverter
D) SmartLogger 1000

4. The principle of maximum power point tracking using Boost circuit is to adjust the switching tube duty cycle so that the impedance fed back to the input side of the load is equal to the maximum power point impedance of the solar cell, also called the impedance matching principle of the maximum power output. .

A) False
B) True

5. Islanding Effect refers to the effect that the grid-connected photovoltaic power generation system still maintains the power supply status to the adjacent part of the grid when the power grid suddenly loses pressure.

A) False
B) True

Solutions: