YZRW series vortex follow wound rotor asynchronousWUXI HONGTAI MOTOR CO., LTD.

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YZRW series vortex follow wound rotor asynchronous

1. YZRW Series Hoisting and Metallurgy Eddy Current Braking Wound Rotor Three-Phase Asynchronism Electromotor is composed of YZR Series electromotor and eddy current braking, which is fixed at the countershaft extension. It integrates the functions of driving and timing, with the advantage of steady low speed timing character and non-incontrollable and reliable operation.

2. Eddy current braking electromotor can operate normally under such environment as below:
(1). The temperature of the cooling medium is not more than 60℃
（H grade insulation electromotor）or 40℃ (F grade insulation electromotor)
(2). The altitude is not more than 1000m.
(3). Constant and obvious mechanical vibration and impact.
　

3. Eddy current braking electromotor is the derive product of wet and tropical climate environment, the transformer winding and the surface sheath have been immersed and disposal, except number (2) rule, it can operate normally under the environment as below:
(1) while the temperature is 25℃, the month average highest relative humidity during the wettest month is 90%；
(2) The lowest environment air humidity is –15wd；
(3) Frequent startup and braking.

4 The rating power of Eddy current braking electromotor on the basis working system, rotor moment of inertia Jm1, rotor winding open circuit voltage, the rating moment and limit moment of eddy current braking, the coincidence relationship between the moment of inertia Jm2 of armature and the number of engine base accord with the form below:

	Eddy current brake		112M	132M₁	132M₂	160M₁	160M₂	160L	180L	200L	225M	250M₁	250M₂	280S	280M
Eddy current braking electromotor	1000 r/min	Power KW	1.5	2.2	3.7	5.5	7.5	11	15	22	30	37	45	55	75
		Jm1 Kg.m²	0.03	0.06	0.07	0.12	0.15	0.2	0.39	0.67	0.84	1.52	1.78	2.35	2.86
		Rotor open circuit VoltageV	100	132	185	138	185	250	218	200	250	250	290	28.	370
	750 r/min	Power KW	－	－	－	－	－	7.5	11	15	22	30	37	45	55
		Jm1 Kg.m²	－	－	－	－	－	0.20	0.39	0.67	0.82	1.52	1.79	2.35	2.86
		Rotor open circuit VoltageV	－	－	－	－	－	205	172	178	232	272	335	305	360
	600 r/min	Power KW	－	－	－	－	－	－	－	－	－	－	－	37	45
		Jm1 Kg.m²	－	－	－	－	－	－	－	－	－	－	－	3.58	3.98
		Rotor open circuit VoltageV	－	－	－	－	－	－	－	－	－	－	－	150	172
Eddy current braking electromotor	Eddy current brake	Rating brakingN·m	7	18		64			118	170	235	390		590
		Rating rev r/min	100	100		100			100	100	100	100		100
		Limit brakingN·m	26	64		196			245	390	540	785		1180
		Jm2 kg·m²	0.13	0.3		0.6			1.3	1.9	2.9	5.3		8.8

5 The structure of eddy braking electromotor and its installation form is IM1001, IM1003, Im3011, IM3013, and is produced under the prescribe as below:

Structure and installation form	Code	Production scope (number of engine base)
	IM1001	112～160
	IM1003	180～280
	IM3011	112～160
	IM3013	180～225

6 Under the rating voltage and the basis working system, the guarantee value of the ratio of max torque to limit torque is not lower than the standard of the below:

Rating power KW	Max torque Tb/ rating torque TN
≤5.5	2.3
＞5.5～11	2.5
＞11	2.8

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