Product Description
YJ257A permanent magnet synchronous generator is suitable for the power generation system of the internal combustion power pack of Dalian Institute, and eventually supporting the hybrid power train set of Changke. The motor is characterized by high power, small size, light weight and high efficiency.
Mainly applied new technologies:
1.The stator adopts inclined slot structure
2.The chassis for the first time adopts cast double-row spiral copper tube water-cooled structure
3.Main insulation adopts 200 grade insulation material
4. the rotor is built-in magnetic circuit structure, the gap on both sides of the magnet with high-temperature resistant silicone rubber potting structure.
| Rated Power |
345kW |
Rated Voltage |
AC 1160V |
| Rated current |
AC 191A |
Rated speed |
2000r/min |
| Maximum speed |
2000r/min |
Number of poles |
6 poles |
| Rated power factor |
0.9 |
Insulation class |
Class 200 |
| Temperature rise class |
H |
Protection class |
IP65 |
| Working system |
S1 |
Cooling method |
water cooling |
The traction motor is used in the Indian main locomotive 4500HP internal combustion freight locomotive locomotive.
| Rated Power |
425kW |
Maximum power |
450kW |
| Rated Voltage |
1520V |
Maximum Voltage |
2028V |
| Rated current |
200A |
Maximum current |
280A |
| Rated speed |
600r/min |
Maximum speed |
3220r/min |
| Rated frequency |
20.5Hz |
Maximum frequency |
109HZ |
| Rated torque |
6750N-m |
Maximum torque |
9500N·m |
| Rated DC voltage |
2210V |
Maximum DC voltage |
2600V |
| Insulation class |
200 |
Number of poles |
4 |
| Cooling air volume |
1m3/s |
weight |
≤2125kg |
This traction motor is equipped with the electric drive system of HXD2C locomotive. This system is a high-power AC electric drive system, which adopts AC-DC-AC converter technology to achieve the control of traction characteristics and braking characteristics of the locomotive, and can meet the performance requirements of the domestic high-power AC-driven electric locomotives, and it is a high-power AC electric drive system with different operating performance and significant energy-saving effect.
HXD2C locomotive electric drive system mainly includes traction system, auxiliary system and microcomputer network control system (TCMS).
| Rated Power |
1250kW |
Rated Voltage |
2150V |
| Rated current |
380A |
Rated speed |
1499r/min |
| Rated frequency |
50.6Hz |
Mounting method |
Roller Hugging Structure |
ZQDR-310 DC traction motor is a kind of four-pole, forced-ventilated, series-excited DC traction motor widely used in all kinds of narrow-gauge internal combustion locomotives. The motor is designed and developed by absorbing GE motor technology, its performance is close to that of GE761A19, and the whole machine and parts can be interchanged with GE761A19. Main features of the motor.
1,Wide range of constant power speed regulation, excellent commutation performance and good versatility, it is the largest power traction motor for narrow gauge internal combustion locomotives in China at present.
2,The machine base adopts steel plate pressure welding structure.
3,The armature winding is cross-flat, the armature winding wire adopts Capton film wire, and NOMEX paper slot insulation is used for ground insulation.
4,Front end is tied with weftless tape, back end is tied with non-magnetic tinned steel wire.
5,Brush grip adopts reaction type, and the brush grip spring is helical compression spring; 6,The motor adopts excellent insulation.
6,The motor adopts excellent insulating materials, and the stator and rotor adopt vacuum pressure dipping paint process, so it ensures the durability and reliability of the motor.
| Rated Power |
310kW |
Rated Voltage |
500V |
| Rated current |
680A |
Rated speed |
760/min |
| Maximum speed |
3100r/min |
Maximum voltage |
1200V |
| Maximum current |
1000A |
Insulation class |
H |
| Cooling air volume |
80m3/s |
Weight |
≤1670kg |
Performance pledge
1.Service concept
(1)Fast handling of high standard operation
(2)Strict management and sincere service
(3)Adhere to the standard operation, achieve fast and efficient fault handling, and ensure the safety of product operation
(4)Adhere to strict management, improve the practice of high-quality team, become the service industry benchmark.
(5)Adhere to sincere service, innovative solutions beyond user needs, to achieve sustainable management of the company.
2.Service requirement
(1) work on time, visit customers;
(2) site inspection, user communication;
(3) effective communication, enhance friendship;
(4) Standardized records and inventory of spare parts;
(5) learn business, improve quality.
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