Railway Traction Motors | GVITT-420 & DVITT-7600/2300
$10,000.00
1000 in stock
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Nine-Phase Valve-Controlled Induction Machines for Railway Traction
GVITT-420 generator and DVITT-7600/2300 motor — a matched traction drive pair built on a common nine-phase, single-pole induction machine platform with independent excitation. Designed for diesel shunting locomotives, they deliver reliable power generation and high-torque traction across a wide speed range.
Shared Technology Platform
Both machines are built on the same core technology, ensuring matched performance, simplified maintenance and a common spare-parts philosophy.
- Nine-phase valve-controlled induction machine design
- Single-pole induction machine platform
- Independent excitation winding
- Built-in rotor position sensor
- Winding and bearing temperature sensors
- Two-package construction
- Designed for diesel shunting locomotive traction drives
Model Overview
| Model | Type | Role in Traction Drive | Nominal Power |
|---|---|---|---|
| GVITT-420 | Valve induction generator | Power supply for traction motors, auxiliary loads, battery charging and diesel engine starting | 420 kW |
| DVITT-7600/2300 | Valve induction motor | Drives the wheels of the TEM-2 shunting locomotive via a reduction gearbox | 120 / 360 kW |
GVITT-420 Valve Induction Generator
Self-ventilated two-package nine-phase generator based on a single-pole induction machine with independent excitation winding, built-in rotor position sensor, and winding and bearing temperature sensors.
Purpose
Power supply for traction electric motors, provision of auxiliary needs, including battery charging and diesel engine starting.
Technical Specifications — GVITT-420
| Parameter | Unit | Value |
|---|---|---|
| Nominal output power | kW | 420 |
| Nominal speed | rpm | 1900 |
| Nominal voltage | V | 870 |
| Relative pulsation of rectified voltage, max. | % | 2 |
| Operating speed range | rpm | 1600–2200 |
| Maximum power in operating range | kW | 350–610 |
| Nominal efficiency, min. | — | 0.95 |
| Weight, max. | kg | 1800 |
DVITT-7600/2300 Valve Induction Motor
Two-package nine-phase traction motor based on a single-pole induction machine with independent winding forced-air cooling excitation, built-in rotor position sensor, and winding and bearing temperature sensors.
Purpose
To drive the wheels of a TEM-2 shunting locomotive through a reduction gearbox.
Technical Specifications — DVITT-7600/2300
| Parameter | Unit | Value |
|---|---|---|
| Nominal / maximum continuous output power | kW | 120 / 360 |
| Speed range with nominal power | rpm | 147–2300 |
| Supply voltage, max. | V | 870 |
| Maximum continuous torque on shaft | Nm | 4400 |
| Maximum short-term torque | Nm | 7600 |
| Excitation power nominal / maximum | kW | 1.45 |
| Relative torque pulsation, max. | % | 1 |
| Weight, max. | kg | 2200 |
Key Differences Between the Two Models
| Aspect | GVITT-420 | DVITT-7600/2300 |
|---|---|---|
| Machine type | Generator | Motor |
| Role | Generates electrical power | Drives locomotive wheels |
| Cooling | Self-ventilated | Forced air cooling |
| Nominal power | 420 kW | 120 / 360 kW |
| Nominal speed | 1900 rpm | 147–2300 rpm (with nominal power) |
| Key output parameter | Rectified voltage pulsation ≤ 2% | Torque pulsation ≤ 1%; max. torque 7600 Nm |
| Weight | ≤ 1800 kg | ≤ 2200 kg |
Application
Both machines are designed for diesel shunting locomotive traction drives, including the TEM-2 shunting locomotive. The GVITT-420 generator supplies power to the traction motors and auxiliary systems, while the DVITT-7600/2300 motor drives the locomotive wheels through a reduction gearbox.
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| Product Name | GVITT-420 / DVITT-7600/2300 Traction Machines |
|---|---|
| Manufacturer | Chingcung |
| Category | Railway Traction Equipment |
| Description | Nine-phase valve-controlled induction machines for diesel shunting locomotive traction drives |
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