45KW 55KW Electrical Variable Speed Drives For 3 Phase Asynchronous
Motors
Introduction of frequency converter
The ST310 series is the latest version of high-function vector
inverters. V/F control mode; wave-by-wave current-limiting
control algorithm, which can instantly control the current and
voltage; strong low-frequency load capacity; can realize
closed-loop control of asynchronous motors. The function is
powerful, and the motion control function is obviously improved.
Inverter applications are very wide
1. Steel: rolling mills, roller tables, fans, pumps, cranes, ladle
cars, converter tilting, etc.
2. Rolling steel wire: wire drawing machine, winding machine,
blower, pump, hoisting machinery, fixed-length shearing,
automatic feeding.
3. Electricity: blower for boiler drum, feed water pump,
centrifugal mixer, conveyor belt, pumping power station, flywheel,
etc.
4. Petroleum: oil pumps, electric submersible pumps, water
injection pumps, pumping units, etc.
5. Paper industry: paper machines, pumps, shredders, fans, mixers,
blowers, etc.
Description of frequency converter
| Model | ST310-4T45G | ST310-4T55G |
| Specific Parameters |
| Applicable Motor (kw) | 45KW | 55KW |
| Input Current (A) | 95 | 118 |
| Output Current (A) | 91 | 112 |
| Breaker (A) | 125 | 160 |
| Contactor (A) | 95 | 150 |
| Brake Unit | Optional Built-in |
| Braking Resistor Power | 9KW | 11KW |
| Resistance/ Ultimate resistance | 13(≥10) | 10(≥8) |
| Power Input |
| Allow Frequency Fluctuation | ±5% |
| Allow voltage fluctuation | Voltage imbalance＜3%, distortion rate meets the requirements of
1EC61800-2 |
| Allow voltage fluctuation | The constant voltage fluctuation is ±10%, and the short fluctuation
is115%~+10%, that is, 323V~528V |
| Power Output |
| Output Voltage | 3-Phase:0~rated input voltage, error less than ±3% |
| Output Frequency | 0.00~300.00HZ,each unit 0.01HZ |
| Overload Capacity | 150% 60s, 180% 10s, 200% 0.5s |
Detailed image of frequency converter
FAQ
1. Who are we?
We are a manufacturer based in Guangdong, China, start from 2009,
sell to Domestic Market(100.00%).
There are a total of about 201-300 people in our office.
2. How can we guarantee the quality?
Always a pre-production sample before mass production; Always final
Inspection before shipment.
3. What can you buy from us?
Ultrasonic Generator, PLC/Motion Controller, Servo Motor And
Stepper Motor, Frequency Converter,
Automation System Development And Complete Set Of Electric Box.
4. Do you offer customization services?
Yes, we can customize the products according to your requirements.
Please send us an inquiry, your inquiry
will be replied within 12 hours.
5. What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, DDP, DDU, Express
Delivery；
Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, CNY;
Accepted Payment Type: T/T, L/C, D/P D/A, MoneyGram, Credit Card,
PayPal, Western Union, Cash;
Language Spoken: English, Chinese.
