MPL-B4530F-MK74AA
1.一般而言变频电机的绝缘性能比普通电机要高,所以同样的中心高,电磁线的选择,绝缘材料的选择,都比普通电机好。电磁线的耐电压冲击能力要高。
2.变频电动机的主磁路一般设计成不饱和状态,一是考虑高次谐波会加深磁路饱和,二是考虑在低频时,为了提高输出转矩而适当提高变频器的输出电压。 普通电机当做变频电机用不是不可以,但要适当提高功率,否则对电机寿命会有比较大的影响。
3.变频电机较普通电机(恒频恒压)在结构上的区别是:
(1)绝缘等级,一般为F级或更高,加强对地绝缘和线匝绝缘强度,特别要考虑绝缘耐冲击电压的能力。
(2)对电机的振动、噪声问题,要充分考虑电动机构件及整体的刚性,尽力提高其固有频率,以避开与各次力波产生共振现象。
(3)冷却方式:一般采用强迫通风冷却,即主电机散热风扇采用独立的电机驱动。
(4)防止轴电流措施,对容量超过160KW电动机应采用轴承绝缘措施。主要是易产生磁路不对称,也会产生轴电流,当其他高频分量所产生的电流结合一起作用时,轴电流将大为增加,从而导致轴承损坏,所以一般要采取绝缘措施。
(5)对恒功率变频电动机,当转速超过3000/min时,应采用耐高温的特殊润滑脂,以补偿轴承的温度升高。
OMRON 3G2C3-CPU11E C500 PROGRAMMABLE CONTROLLER **
SIEMENS 6SE7016-1TA10 SERVO DRIVE ******
HONEYWELL DR45AT-1111-00-000-0-000000-0 CHART RECORDER
ALLEN-BRADLEY 2755-L7SC/A BAR CODE SIDE SCANNER ****
ALLEN BRADLEY 1333-CAN/B 5HP 380V AC DRIVE****
RELIANCE 0-52808-2 OLVC MODULE **RFB**
SIEMENS 6ES5 900-7FC11/6ES59007FC11 CPU MODULE ****
RELIANCE 0-48673 REGULATOR CARD ****
BERGER LAHR WD5-008.051-00 CONTROLLER ****
CUTLER HAMMER 1575KHX/92-01804 PANELMATE 1500***
AMETEK DR656CK72X/080582 REGENERATIVE BLOWER 4HP **
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TOSHIBA VT130G3U4110 INVERTER **
INDRAMAT NAM1.3-15 SERVO P/S LINE CONDITIONER **
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ALLEN BRADLEY 1336S-BRF50-AA-EN4 5HP 460V AC DRIVE**
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PROFACE/PRO-FACE GP2401H-TC41-24V 5.7" LCD ****
TOSHIBA TOSVERT VT130G2+2330 INVERTER 30HP 99/90A**
TECO-WESTINGHOUSE GA7200-4025-N1 DRIVE 25HP 24A **
TOSHIBA TOSVERT VT130G3U4330 INVERTER 30HP ****RFB****
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SIEMENS 6SC6500-0NA44/6SC6-500-0NA44/6SC65000NA44*XLNT*
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ZELLWEGER USTER UPG5-SG-DP CONTROL BOX ********
RELIANCE 86466-47R MAXPAK S6 RECTIFIER STACK******
SIEMENS 6SE2117-3AA21 15HP SIMOVERT AC DRIVE****
RELIANCE 10V4251 GV3000/SE 10HP 460V AC DRIVE******
SIEMENS 6ES5-524-3UA15/6ES5524-3UA15 COMM MODULE**
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ALLEN BRADLEY 840-A7/A FLOAT SWITCH 600VAC ******
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RELIANCE 61C542A 16 CHANNEL INPUT MODULE ****
FANUC A05B-2020-C103 CRT AND KEYBOARD **
BALDOR BM3615T MOTOR 5HP 1725RPM 3PH ******
TECO-WESTINGHOUSE MA7200-4015-N1 DRIVE 15HP 24A **
MAGNETEK GPD505V-B014 AC DRIVE GPD-505 14A 10HP **RFB**
FANUC A16B-2200-0390 AXIS BOARD ******
SIEB & MEYER 26.39.5 SINUDYN POWER SUPPLY MODULE****
WARD LEONARD AGUT WCK-08.A CONTACTOR 125A 3P ******
EMERSON LX-700 BRUSHLESS AC SERVO DRIVE 220V 2KW **
TECHNIFOR UC200 CONTROLLER ******
INDRAMAT KDS1.1/KDS 1.1-30-300-W0 30A SERVO DRIVE**
CUTLER HAMMER TRUEVIEW 3185TH/92-01865-00/401-56868-03
FANUC A16B-2201-0630 A16B22010630 MASTER BOARD ****
GE 37F0523416 CAPACITOR 150KVAR 4160V (PALLET OF 2)*
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YASKAWA SGDB-44ADMY8 SERVOPACK SERVO DRIVE 32.9A****
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ALLEN BRADLEY 1336-B007-EAD-FA2-L3 7.5HP AC DR**
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BARBER COLMAN 80CN-11001-101-V-00 SEQUENCE MODULE**
MODICON 557-VCM-761-10/557VCM76110/E20HCA-GS1 19" **
CONTROL TECHNIQUES SP1403 AC SERVO DRIVE 6.8A ****
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HONEYWELL 4DP7APXDH233 DATA HIGHWAY PC BOARD ****
ALLEN BRADLEY 2711-T9A10/F PANELVIEW 900 ******
MITSUBISHI MR-J10A 100W 200V SERVO AMPLIFIER****
FANUC A14B-0061-B002-02 POWER UNIT ***RFB***