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Manufacturer of Three-Phase AC Frequency Converter 0.75kw to 500kw General Variable Frequency Drive 50 Hz to 60 Hz VFD and Frequency Inverter

Manufacturer of Three-Phase AC Frequency Converter 0.75kw to 500kw General Variable Frequency Drive 50 Hz to 60 Hz VFD and Frequency Inverter

Tecoo, as an electronic manufacturing service provider, provides OEM and customization services for industrial inverters.

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Product Introduction

We only provide quality Industrial inverter controller, pcba company, set top box control board that we always insist on, not poor quality products that increase profits by lowering prices or cutting corners on materials. Our corporate spirit reflects the outstanding quality of all employees who pursue efficiency, work hard and climb to the top. For staff quality, we pursue continuous progress because the improvement of staff ability is the driving force for the company to leap up.

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Industrial Inverter systems are used for rugged environments and designed particularly to safeguard critical loads in industrial applications. An galvanically isolationed transformer is used to isolate load from input supply. Otherwise, voltage transients, created by degraded mains supply, can seriously damage both inverter and the critical load.


The inverter converts DC voltage into pure sinusoidal AC voltage with constant amplitude and stable frequency. The unit works with an IGBT inverter bridge with PWM (pulse width modulation) having high efficiency in the partial load range as well as achieving a low distortion factor at non-linear load. Inverter output encompasses 6 IGBT modules, boosting the instant power capacity of the inverter by double fold with comparison to regular systems. This feature allows the inverter to handle higher capacity loads (inrush currents) with smaller capacity devices. In addition, switching at high frequency – 16KHz – keeps the output sin wave (THD) undistorted providing reliable solutions for nonlinear loads. On LCD panel all measurement values, real time base events and failures can be viewed and communicate remotely with RS485 port.

Industrial Inverter Features


IGBT (PWM) controlled inverter with high frequency switching to ensure no waveform distortion for reactive and nonlinear loads.

Galvanically isolated output (inverter transformer is standard, bypass transformer is optional) for maximum safety on critical loads

Thyristor controlled static bypass to ensure uninterrupted transfer between inverter and bypass source

Communication (Free alarm contacts, remote PC monitoring, Modbus, SNMP, Profibus, DNP 3.0 via RS 232, RS 485, USB or Ethernet TCP/IP ports)

●Manual Bypass with 3 positions

●LC Filter for DC Input

●Electronic Over / Under Voltage, Over Current and Short Circuit Protections

●Parallel Redundant Operation (Optional)

●Internal Over Temperature protection

●LCD Panel with Mimic Diagram and LED Indication

●Event History for all Electrical values and failures

●8 units Free Alarm Contacts

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All of our colleagues always firmly believe that in the fierce competition, only by relying on our own continuous accumulation of technology can our Manufacturer of Three-Phase AC Frequency Converter 0.75kw to 500kw General Variable Frequency Drive 50 Hz to 60 Hz VFD and Frequency Inverter win a larger market. Our core values are diligence, integrity, hard work, innovation, and win-win, which will become our standard of doing things. We firmly believe in the concept of consistent quality, service, integrity and responsibility. At the same time, we meet customer requirements with the most competitive prices, excellent quality, and best service.

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