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VFD choice

Created by: Med Riad at: 3/17/2016 2:29 PM (12 Replies)

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3/17/2016 2:29 PM	Rate (0)
Med Riad Posts: 2 Rating: (0)	Good morning All I have a Siemens Asyncro 380 V Motor Siemens 90 KW and 158A/91.59A , which is used to drive a pump. Can somme one advice me to which VFD to choose for a progessive star-up and to allow motor to run at diffrent range of speed (25%, 50%, 75% and 100%) Thanks.
Med Riad Posts: 2 Rating: (0)
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3/18/2016 6:40 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (878)	Hello, Micromaster is phased out product by Siemens. You just have a look at Sinamics G120.

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This contribution was helpful to 2 thankful Users Med Riad metwally mustafa

4/20/2016 1:11 PM	Rate (0)
metwally mustafa Silver Member Joined: 10/10/2010 Last visit: 10/25/2024 Posts: 307 Rating: (15)	I think a drive with vector control and feedback device can meet your requirments like SINAMICS G120

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4/20/2016 1:24 PM	Rate (0)
Ayman Elotaify Platinum Expert Joined: 5/28/2008 Last visit: 11/6/2024 Posts: 4516 Rating: (839)	PISCEAN 2010 Hello, Micromaster is phased out product by Siemens. You just have a look at Sinamics G120. Hello, Although I am personally prefer to use SINAMICS instead of using MM4 but it will do the job and also Micromaster are not phased out product til now.
	Ayman Elotaify
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This contribution was helpful to 2 thankful Users metwally mustafa EIC_CONTROL

4/20/2016 5:39 PM	Rate (0)
Navnag Platinum Member Joined: 11/21/2007 Last visit: 9/25/2024 Posts: 2325 Rating: (308)	metwally mustafa I think a drive with vector control and feedback device can meet your requirments like SINAMICS G120 I don't think any feedback device is necessary in a Fan application usually. Encoderless Vector should be more than sufficient. In fact most fan applications use v/f control only.
	There is no such thing as the last bug in a program There are no stubborn bugs, There are only stubborn Debuggers.
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4/20/2016 7:24 PM	Rate (0)
Ayman Elotaify Platinum Expert Joined: 5/28/2008 Last visit: 11/6/2024 Posts: 4516 Rating: (839)	Navnag metwally mustafa I think a drive with vector control and feedback device can meet your requirments like SINAMICS G120 I don't think any feedback device is necessary in a Fan application usually. Encoderless Vector should be more than sufficient. In fact most fan applications use v/f control only. Hello, I agree with you. MM420 or SINAMICS G120 can do the job. For Micromaster drives, we always use the difference table to select between MM420 / 440. Difference between Micromaster 411, 420, 430 & 440 For SINAMICS, we can use one of the following tools: SINAMICS SELECTOR SINAMICS SELECTOR-- Android Apps on Google Play SINAMICS SELECTOR-- on App Store Hope this helps.
	Last edited by: Ayman Elotaify at: 4/20/2016 7:24:53 PM Ayman Elotaify
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This contribution was helpful to 2 thankful Users metwally mustafa EIC_CONTROL

4/20/2016 8:42 PM
EIC_CONTROL Posts: 198 Rating: (36)	metwally mustafa I think a drive with vector control and feedback device can meet your requirements like SINAMICS G120 what is vector control ?
EIC_CONTROL Posts: 198 Rating: (36)
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4/20/2016 9:14 PM	Rate (0)
EIC_CONTROL Posts: 198 Rating: (36)	sinamics 240 is best for pump control. if you control pump pressure control then read this attach. Attachment sinamics pump pressure control.pdf (433 Downloads)
EIC_CONTROL Posts: 198 Rating: (36)
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This contribution was helpful to 1 thankful Users metwally mustafa

4/21/2016 11:52 AM
metwally mustafa Silver Member Joined: 10/10/2010 Last visit: 10/25/2024 Posts: 307 Rating: (15)	SINAMICS is very ideal in pump pressure control as it is actually tested by me real

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4/27/2016 10:12 PM	Rate (0)
EIC_CONTROL Posts: 198 Rating: (36)	All kind of VFD almost have a function to configure your digital inputs for different set points like 25%, 50%, 75% and 100%. but the thing is in coming time every body like flexibly in VFD cost effective easily configurable simple but advance functionality , energy efficient . useful siemens video link
EIC_CONTROL Posts: 198 Rating: (36)
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