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
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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