Product Overview:
Series of eddy current brake wound rotor three-phase asynchronous motors for lifting and metallurgy
The YZRW series eddy current brake wound rotor three-phase asynchronous motor for lifting and metallurgy is composed of a YZR series motor and an eddy current brake installed on its secondary shaft extension. It integrates both driving and speed regulation functions: it has stable low-speed speed regulation characteristics and advantages such as no loss of control and reliable operation.
The eddy current brake motor can operate normally under the following environmental conditions:
(1) The temperature of the cooling medium shall not exceed 60 ℃ (for motors with H-class insulation) or 40 ℃ (for motors with F-class insulation);
(2) Altitude not exceeding 1000m;
(3) Frequent and significant mechanical vibrations and impacts.
The eddy current brake motor is a derivative product of humid tropical climate environment, and its winding and surface protective layer have undergone special impregnation and treatment. Except for the provisions in Article 2, it can operate normally under the following environmental conditions.
(1) At 25 ℃, the monthly average maximum relative humidity of the wettest month is 90%;
(2) Minimum ambient air humidity -15 ℃;
(3) Frequent starting and braking.
The guaranteed value of the ratio of the maximum torque to the rated torque of the eddy current brake motor under rated voltage and reference working mode shall not be lower than the specifications in the following table:

Rated power KW	Maximum torque Tb/rated torque TN
≤5.5	2.3
＞5.5～11	2.5
＞11	2.8

Meaning of Motor Model 5:

Work schedule and technical data:
Work schedule: The benchmark work of the eddy current brake motor is S3, with a benchmark load duration of 40% for the motor and 15% for the eddy current brake. Each work cycle is 10 minutes. The rated power and flywheel torque (GD2) of the eddy current brake motor during reference operation. The rated braking torque and limited braking torque of the rotor open circuit voltage and its eddy current brake, as well as the corresponding relationship between the flywheel torque (GD2) and the machine base number, are shown in the table below

Structure of electric motor:
Protection level: Eddy current brake motors for general environments are IP44, eddy current brake motors for metallurgical environments are IP54, and eddy current brakes are IP00. Cooling method:

code name	Available machine base numbers	Remarks
IC0041	112—132	Fully enclosed motor, casing cooling, no external fan
IC0141	160—315	Fully enclosed fan cooled motor with a cooler on the casing

3. Structure and installation type: The structure and installation form of eddy current brake motors are IM1001, IM1003, IM3011, IM3013, and manufactured according to the following table:

Structure and installation form	code name	Manufacturing scope (machine base number)
	IM1001	112~160
	IM1003	180~280
	IM3011	112~160
	IM3013	180~280

4. Insulation level: The insulation level of eddy current brake motors is divided into H level and F level. Eddy current brake motors with H-level insulation are suitable for use under harsh working conditions. Junction box: The junction box of the eddy current brake motor is located at the top of the machine base and can be wired from either side of the machine base. Magnetic poles and armature of eddy current brake: The magnetic pole winding of eddy current brake is fixed on the high-end cover of eddy current brake motor. The armature of the eddy current brake is connected to one end of the eddy current brake motor shaft extension with a key, and locked with a baffle and bolt to prevent axial movement of the armature. Motor component names: as shown in the following figure

Installation and external dimensions:
YZRW series IM1001 and IM1003 horizontally installed eddy current brake motors with base feet and end caps without flanges

YZRW series IM3011 and IM3013 are eddy current brake motors that are vertically installed, have a base without a foot, have a flange on the end cover, and have a downward axis extension