Description

3BSE013175R1 ABB in/out High precision diagnostic module

Nowadays, with the improvement of transistor and rectifier and inverter technology, it is very common to use frequency converters to control the speed of AC motors. Frequency converters are very reliable and accurate in practical applications, and can be used for motor speed regulation of different accuracy levels in different occasions. Variable frequency speed regulation will gradually replace DC machine speed regulation. During the development of frequency converter, it has gone through direct U/F control stage, high-performance U/F control stage, vector control stage and Direct torque control stage. 1、 The principle of ABB ACS400 frequency converter is common to ordinary U/F control. The synchronous speed of asynchronous motors is n1=60f/p, where n1- synchronous speed (r/min) f – power frequency (Hz) p – magnetic pole number, while the shaft speed of asynchronous motors is n=60f * (1-s)/p, where s – slip rate of asynchronous motors, s=(n1 n)/n1 It can be seen that changing the power supply frequency of an asynchronous motor can change its synchronous speed and achieve speed regulation operation. When controlling the speed of an asynchronous motor, it is hoped that the main magnetic flux of the motor remains at the rated value. If the magnetic flux is too weak, the iron core is not fully utilized, and under the same rotor current, the electromagnetic torque is small, resulting in a decrease in the load capacity of the motor; If the magnetic flux is too strong, it will be in an overexcited state. If the excitation current is too large, there will be disturbances, and the speed control will become non-linear. Therefore, it should be ensured that the air gap magnetic flux remains unchanged during the motor speed regulation process. The effective value of the electromotive force of each phase of the three-phase asynchronous motor stator is E1=4.44f1N1 ø m, where E1- the electromotive force value of each phase of the stator induced by the air gap flux f1- the stator frequency (Hz) N1- the turns of the stator phase winding ø m – the magnetic flux (Wb) of each pole can be seen from the above formula, and the value of ø m is determined by E1 and f1 Co-determination. If E1 and f1 are properly controlled, the air gap flux ø m can remain the rated value.

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В нашем магазине много брендов: следующие четыре основных системных запасных части являются примерами.
Запасные части для программируемой системы управления PLC:
Алан Брэдли: 1756 1771 1785
Сименс: 6ES7 6ES5
Шнайдер: 140CPU
Номер: IC697 IC698
Модель: MVME162 MVME137 MVME147
Компания Xycom: XVME
Запасные части для системы управления DCS:
Распределенная система управления DCS:
Invensys Foxoboro: FBM01 FBM02 FBM09 FBM10 FBM201 FBM209
Компания: 3503E 3664 3721 3625 4351D 3700A
АББ Бейли: BRC300 BRC400 BRC410 AC800 IMASI23
Компания Ovation: IC31
Запасные части для сервоуправления:
Колмоген: SM71K 6SM27 AKV23F 60WKS 65WKS
Землетрясение: 6DD1606 6SN1118 6FC5203 6RB2000 6SC6508 6FX2007 6FM2805 6AV6542
Производитель: HCS02.1E HMS001.1N HLB01.1C MSK060B MKE118B MSM020B MHD071B
Шивы: MDX61B0022 mds60a00040 MDF60A0015 MDV60A0015 MCH42A0220 MCV40A0075
Запасные части для роботизированной системы управления:
Кука: KRC1 KRC2 KRC4 KPS600 KCP2
ABB: 3HAA 3HAC DSQC345
Модель: A02B A03B A04B A05B A06B
Оригинальное название: CACR JUSP JZCC Jancd HW
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