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GD350-13 Series VFD for Oil Pumping Machine

The GD350-13 Series VFD for Oil Pumping Machine integrates synchronous and asynchronous motor drives, unifying control for various oil extractors (e.g., beam-pumping units, tower-type units). It enhances reliability, environmental adaptability, and industry-specific customization, delivering optimized functionality, superior control performance, and flexible applications.
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  • GD350-13

1. It is dedicated functions for beam-pumping units, high-altitude machines, tower-type extractors, and direct-drive screw pumps.

2. Energy savings of over 20% compared to previous generations.

3. It is built-in braking unit control logic to extend service life.

4. It combines multiple motor types and control methods in one platform.

5. Strong expandability: it supports 3 expansion interfaces and diverse cards (installable in any slot).

6. Rich configurations: 380V 11–75kW models include built-in braking units; 380V 18.5–75kW models include DC reactors.

7. Standard STO (Safe Torque Off) function for enhanced safety.

8. It is powered by a dedicated motor control processor for high performance.

9. It supports high-pole permanent magnet synchronous motors and suspended mode.


  1. Terminal Analog Input Resolution: ≤20mV

  2. Terminal Digital Input Resolution: ≤2ms

  3. Analog Inputs: 2 channels, AI1: 0-10V/0-20mA, AI2: -10 to +10V

  4. Analog Output: 1 channel, AO1: 0-10V/0-20mA

  5. Digital Inputs: 4 standard inputs, max. frequency 1kHz, internal impedance 3.3kΩ;

  6. 2 high-speed inputs, max. frequency 50kHz, support quadrature encoder input with speed measurement

  7. Digital Outputs: 1 high-speed pulse output, max. frequency 50kHz;

  8. 1 open-collector Y-terminal output

  9. Relay Outputs: Two programmable relay outputs

  10. RO1A NO, RO1B NC, RO1C COM;

  11. RO2A NO, RO2B NC, RO2C COM;

  12. Contact rating: 3A/AC250V, 1A/DC30V

  13. Expansion Interfaces: Three slots: SLOT1, SLOT2, SLOT3

  14. Supports I/O cards, programmable cards, communication cards, PG (encoder) cards, etc.

  15. Mounting: Wall-mounted or flange-mounted

  16. Protection Rating: IP20

  17. Cooling Method: Forced air cooling

  18. DC Reactor: Built-in DC reactor for 380V 18.5-75kW (inclusive) models

  19. EMC Filter: Conducted emissions meet IEC/EN61800-3 C3 for all 380V products;

  20. Optional external filter available for IEC/EN61800-3 C2 compliance

It can be applied to various oil extraction equipment such as tower-type pumping units, direct-drive screw pumps, beam pumping units, and high-altitude adapted units.

Frequent Questions
  • 1. ​​What is the input voltage?​​
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    •AC 3PH 380V~440V, rated voltage: 380V
    •AC 3PH 520V~690V, rated voltage: 660V
  • 2. Is secondary development supported?​​
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    Yes. It is built-in PLC card adopts internationally mainstream PLC development environments, supporting instruction list, ladder diagram, sequential function chart, and other programming languages. It offers 16K steps of program storage space, facilitating customer secondary development to meet customization needs and reduce system costs.
  • 3. Is there an independent air duct design?​​
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    Yes. This design effectively enhances the frequency converter's protection, adapts to various complex and harsh field environments, improves product reliability, and extends service life. The independent air duct, combined with flange mounting, effectively solves heat dissipation issues in electrical cabinets, facilitating customer thermal management design.
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