JZR2 Slip Ring Induction Motor

A professional Electric Motor Manufacturer and Supplier in China

A professional Electric Motor Manufacturer and Supplier in China

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JZR2 Slip Ring Induction Motor

  • Product Item:Slip Ring Motor-02
  • Category: Slip Ring Induction Motor
  • Views:414
  • 2.2~270 kW
  • 380, 400, 415, 440, 460, 480, 550, 660, 690 V
  • 50 Hz, 60 Hz
  • 1001, 1002, 1003, 1004, 3001, 3003, 3011, 3033
BASIC INFO

JZR2 slip ring induction motor

JZR2 series motors for crane and metallurgical uses, featured with large overload capacity and adequate mechanical strength, are especially suitable for driving various types of crane and metallurgical machineries or other similar equipment.


Feature

Large overload capacity

High mechanical strength

Adjustable braking torque

Compact structure

Convenient to use and maintain

Working duty

There are seven types of duty type for these series motors, S2, S3, S4, S5, S6, S7, S8 and S9. The basic duty type is S340% (duty type is S3, cyclic duration factor is 40%, each cyclic is 10min). The following duty types are most useful to these series motors.

1. Short-time duty type (S2)

Operation of constant load during a given time, less than that required to reach thermal equilibrium, followed by a rest and de-energized period of sufficient duration to re-establish machine temperature within 2 deg K of the coolant.

2. Intermittent periodic duty type (S3)

A sequence of identical duty cycles, each including a period of operation at constant load and a rest and de-energized period but the operation period are so short that it is not sufficient for the machine to reach thermal equilibrium In this duty type, the cycle is such that the starting current does not significantly affect the temperature rise.

3. Intermittent periodic duty type with starting (S4)

A sequence of identical duty cycles, each including a significant period of starting, a period of operation of constant load and a rest and de-energized period, but the operation period is so short that it is not sufficient for the machine to reach thermal equilibrium.

4. Intermittent periodic duty type with electric braking (S5)

A sequence of identical duty cycles, each consisting of a period of starting, a period of operation at constant load and a rest and de-energized period, but the operation period is so short that it is not sufficient for the machine to reach thermal equilibrium.

Service Conditions

Ambient Temperature: ≤40°C (general)  60°C (metallurgical)

Altitude: 1000 m.a.s.l

Humidity: ≦90%

Protection Class: IP44, IP54

Insulation Class: F, H

Temp. Rising: 80K (B class)

Cooling Method: IC410, IC411

Working Duty: S3 (40%)

Connection: Star-connection for 132kW and below; Delta-connection for others

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