Motor and variable frequency drive protection Apart from the VFD built in motor overload protection, internal heat, short circuit and ground fault, protection is provided. �8�v�YQj�O$�Y'͙�4�gO�f��N�"Sg��{'�ܪ����u�����ձ�'�q�O'bDm��M��(D2~�`v��:��r�w���X$�'܅�>'jp�I�E���ɯ��2�ݘ�0��pnOD�j�RKn�J���>A2�A�|_�ؿ�{�F��LЊ�x��G����Y��:����{D�X�6��#Y�����K\�7 ��&/��( �۹S!嗔�WD�x�z�wv��Э��iƁ��:�yy��_��:���Ou#o'��Bϻ~��S�o���V}4̷��k���yƜ1�P�I�=s��s�d�'M��HJ90G��O���@�������'���1襯��O1ϸ��3syb� ��c��=�>�ο ��U� Could I use direct on line starter if I want to use VFD. Drive and Motor Selector. When the motor at constant flux speed adjusting, the maximum allowable output torque constant, is constant torque speed control; While in weak magnetic speed adjusting, the maximum allowable output torque and speed is inversely proportional, is constant power speed control. If the motor's constant torque and constant power speed range is consistent with the load's constant torque and constant power speed range, that so-called "matching", the size of the VFD and motor are minimal.Fluid Load This type of load's torque is proportional to the square of the speed, power is proportional to cube of the speed. ABB Low Voltage Drives Product Selection Guide Distributors. Now we are going to change the motor without gear type due to the clutch and brake problem in the previous one and we are having a spare motor Ordinary type without gear type 10HP (220V-380V, Delta -Star) and a speed range (2920-3500 rpm). SERVICES. 238 0 obj <> endobj friction loads, and crane, hoist, elevator etc. All rights reserved. How to do wiring with VFD. The guide tries to be as practical as possible. ... selection with variable frequency drives. This guide continues ABB’s technical guide series, describing different variable speed drives (VSD) and how they are used in industrial processes. I have 11kw motor which running with star delta starter. CAN VFD CONVERT THREE OR TWO PHASE SUPPLY INTO SINGLE PHASE SUPPLY. Wiring a VFD to control single phase motor speeds, Difference between 50Hz and 60Hz frequency, Impact of 60Hz (50Hz) motor being used on 50Hz (60Hz) power supply, Variable Frequency Drive (VFD) Selection Guide, Generally, for driving constant torque motor, selecting the VFD based on the rated current. Compare the motor's power and current rating from the ratings table below. Actually, choose the variable frequency drive according to the working current is the final step in the entire selection process. The most critical selection factor: working current. 263 0 obj <>stream Document library, contact your local ABB representative. Voltage 4. The SAFE TORQUE OFF function provides a means for preventing the variable frequency drive from generating torque in the motor, with a very high level of integrity. ABB is a pioneering technology leader that works closely with utility, industry, transportation and infrastructure customers to write the future of industrial digitalization and realize value. For more information about how we can help you solve your unique business challenges, contact your local ROCKWELL AUTOMATION . • Replace with VFD-duty when motor fails VFD-duty motor • Comply with IS: 15880/2009, IEC 60034-17-“guide for selection of cage induction motors for VFD” • Torque derating or higher frame size for temperature limiting selection should be addressed • Insulated bearing at NDE, if required • Winding & Bearing protection Video. 2. Greetings, I have 220/230 single phase input and need a VFD sufficient to run a single motor on a manual engine lathe of 7.5 hp 3 phase with 20.6A full load rating, any help? The operating current of the ac motor is related with the actual working conditions. �4�� It is also helpful to know if the motor is inverter duty ratedOther information will be specific to the needs of your system and application such as: 1. Cut Sheets page links. Take charge of control and energy saving. To download an ABB VFD Manual, just click the links below for the product you want to download. ABB's website uses cookies. ABB. מ������ON���?���8e�q�\�g�J������~��cT��6Ӑ�g�5 �xj�aߗP����ֳ Copyright © 2021 GoHz.com. By staying here you are agreeing to our use of cookies. etc...The most important is specifying the VFD according to practical application, not just the guide on paper. When the speed is very low, TL can not increase indefinitely due to the limitation of the mechanical strength, then convert to constant torque nature at low speed. ABB's website uses cookies. Is light, we can provide application product specification support with supply, installation, commissioning, sales! 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