YZP series crane & metallurgical adjustable frequency and spped 3-phase motor

   YZP series three-phase asynchronous motor is a kind of three-phase asynchronous motor which is powered by frequency conversion device.

The system composed of frequency conversion device can realize stepless speed change Achieve the goal of energy saving and control automation.

Due to its characteristics of high efficiency, wide speed range, good precision, stable starting and braking operation, and large overload capacity,

it is especially suitable for frequency conversion speed regulation, short-term or intermittent period of operation, frequent starting and braking occasions.

Motor basic technical requirements in line with the requirements of IEC34-1 and GB755 standards, installation size in line with the IEC71 International Standard.

Motor can be equipped with thermal protector, heater, encoder, electromagnetic brake, overspeed switch and speed generator and other additional devices to

meet the needs of users.

● high carrier frequency voltage adapted to frequency converter output.

● rated voltage 380V, rated frequency 50Hz.

● Insulation Class F, Protection Class IP54, IP55.

● Speed Range 3 hz-100 Hz; 3-50 Hz for constant torque operation, 50-100 Hz for constant power operation.

● an altitude of not more than 1,000 m and a relative humidity of not more than 90 per cent.

● cooling mode: 112-160M1 seat number is self-fan cooling (IC 411) , 160M2-355 seat number is other fan cooling (IC 416) .

The number of H180 and below is Y connection method, the number of H200 and above is △ connection method.

 ● rated voltage, frequency, can withstand rated torque 2 times overload for 1 min.

Motor is suitable for intermittent periodic working system, according to the different characteristics of the load,

the working system of motor is divided into:

1. Short-time working system (S2) : under constant load, it runs at a given time. When it does not reach the thermal stable state, it will shut down

and cut off energy for a period of time, so that the motor can be cooled again to within 2K of the temperature difference between the cooling medium and the motor.

2. Intermittent periodic work (s 3) : a series of identical work cycles, each consisting of a period of constant load running time and a period of downtime and energy outage,

but these times are shorter, the starting current of each cycle has no obvious influence on the temperature rise.

3. Including starting intermittent periodic work system (s 4) : according to a series of the same work cycle operation, each cycle by a start time, a constant load

operation time, a period of downtime and energy; But these short time, are not enough to make the motor to achieve thermal stability.

4. The intermittent periodic working system (s 5) includes electric braking: it operates according to a series of identical working cycles, each cycle is composed of

one and one starting time, one running time of constant load, one stopping time and one energy-cut time; But these short time, are not enough to make the motor

to achieve thermal stability.