Patents & Certificates

Patents & Certificates

Patents

20200928-07

A kind of whole Zhang Fangfa of card-less rotary cutter tailgate

20200928-06

Control method, system and equipment for high-voltage brushless dual-feeder and readable storage medium

20200928-05

Excitation shaft generator system start-stop logic control circuit and excitation shaft generator system

20200928-04

Tower-type pumping unit and frequency converter, control method and storage medium thereof

20200928-03

Method, device and system for compensating weighing-free starting torque of elevator

20200928-02

A kind of asynchronous machine identification method for offline static parameter and its device

20200928-2

Communication protocol conversion card

20200928-01

IGBT parameter identification method, dead zone compensation method and inversion device

INVT17111601A

Oscillation suppression method, system, device and readable storage medium

INVT15111701P-CN

Method and system for detecting DC bias of output current of frequency inverter

INVT14101507A

Motor control method and device (GD5000)

INVT14030301P-CN

Multi-drive frequency inverter (GD600)

INVT12062001P-CN

Phase current reconstruction method and device (GD10)

INVT12071302P-CN

Codec method, related device and codec system (GD800)

INVT12030101P-CN

Harmonic detection method and related device (iSVG)

INVT12101101A

Voltage equalization protection circuit and diode clamp multilevel topology device (GD3000)

INVT11062202P-CN

Calibration and driving method and device of photovoltaic inverter (Solar Inverter)

INVT11021701P-CN

The method of parameter identification and implementation system for Synchronous motor inductance (GD300-01/GD800/GD3000)

INVT11021702P-CN

The method of parameter identification and implementation system for Synchronous motor inductance (GD300)

Certificates
International Renowned Brand

International Renowned Brand

KC GD20

KC GD20

TUV CE GD20

TUV CE GD20

Alibaba Verified Supplier 1

Alibaba Verified Supplier 1

UL Laboratory

UL Laboratory

CNAS Laboratory

CNAS Laboratory

OHSAS18001: 2007

OHSAS18001: 2007

ISO14001: 2015

ISO14001: 2015

ISO 9001: 2015

ISO 9001: 2015

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