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Home > News > The comparation between Rotary frequency converter and static frequency

The comparation between Rotary frequency converter and static frequency

2020-06-18

Comparation

details

Rotary Frequency Converter

Static Frequency Converter

generatation

Old generataion. Widly used in 1980s

new generataion.

effciency

motor drive generator ,so effciency is 60~70%

93%

Minotor ability

No

Remote mornitor,save manpower

Safety to load equipment

Designed specifically for the drive frequency in the motor start, when it starts the voltage synchronization up from 0~440Vac ,and frequency synchronization up from 0~60Hz .electrical equipment may be affected, especially the transformer, rectifier control, communications design equipment, etc.

The process of start can directly output constant 60hz frequency. SFC can provide clean and reliable, low harmonic distortion, high stability frequency sine wave voltage and power output, very close to the ideal AC power.

Input frequency

fixed

25~70Hz

Output frequency stability

Unstabiity ,depend on the wave of the power grid,it is fixed

AC power to DC power to AC power.

≤±0.01% and adjustale

Output voltage stability

Unstabiity,depend on the wave of the power grid

AC power to DC power to AC power.

1%

noisy

Very loud

Less than 65dBA @ 1 meter

Overload ability

no

110% 1hour

125% 10minutes

150% 30 seconds

200% 1second

cooling

Forced ventilation

Forced ventilation and heat tube

Impact ability

better

best

mantance

difficult

easy

Max.single engine

1000Kva

Working temperature

0~+55

10~+50

Power factor (PF)

0.75 load

95% at 100% load

Voltage Drop Compensation with long distance

no

yes

Jinan Xinyuhua Energy Technology Co.,Ltd Business Type:Distributor/Wholesaler , Organization , Manufacturer Product Range:Chargers,Batteries & Power Supplies , Power Distribution Equipment , Solar Inverter Products/Service:Wind Inverter , Off Grid Inverter , AC Power Source , Wind Turbine , Frequency Converter , Bi Directional Inverter Certificate:ISO9001 , CE Company Address:No.220 huayuan road Licheng district, Jinan, Shandong, China Previous: How to choose a Frequency Converter

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