High motor operation efficiency、The cost is low，The advantages are obvious。But many hangers are worried.，Excessive peak flow at motor start，Will it cause a short circuit trip?？This problem is actually very easy to solve.，Take a look at SANY's new frequency conversion starting technology.！

Hoisting person's exclusive test questions

【Precautions】Top 5 with correct answers and praise，Will be obtainedSany Crane Customized Gift Pack（Includes 2024 desk calendar+Thermos cup+Cap）。

【Answer time】 From now on--15 December 16:00

1.Sany's new frequency conversion starting technology can reduce          Peak starting current，Motor starts smoothly without impact。

A. 100%

B. 90%

C. 80%

D. 70%

2.Currently 90%The three-level distribution cabinets at the construction site are all         Yes。

A. 30kW

B. 40kW

C. 50kW

D. 60kW

3.SANY's new frequency conversion starting technology has ultra-wide compatibility，The minimum selectable power I          。

A. 15kW

B. 25kW

C. 35kW

D. 45kW

4.In the research of electric technology，Sany has been deeply ploughed.          Year。

A. More than 20 years

B. More than 10 years

C. More than five years

D. More than three years

5.SANY's new variable frequency starting technology makes fault diagnosis and maintenance easier，Helps to quickly locate and resolve problem，This statement         。

A. Correct

B. Mistake

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