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iftikhar129
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Join Date: Dec 2011
Posts: 67

Relation of Motor Enclosure Protection with Voltage Level.

04/18/2014 2:43 AM

it is usual to use EEX d, EEX e & EEx p motors in ZOne 1 & EEX d, EEX nA & EEx pz motors in ZOne 2 same is applicable for motor terminal box.

is there any limitation or restriction of the above if the voltage level is increased.

i. e for higher voltage(6.6KV) more Stringent protection is required than lower volatge(440V) in the same zone.

Thanks in advance.
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TonyS
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Join Date: Aug 2010
Location: Resting under the Major Oak
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#1

Re: Relation of Motor Enclosure Protection with Voltage Level.

04/18/2014 9:14 AM

The motor manufacturers will give you that information, they have to certify the motors characteristics.

The question is so general as to make me think this is homework.

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brich
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Join Date: Oct 2009
Location: sometimes Wales,UK.. was Libya, now Oman!
Posts: 1715
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#2

Re: Relation of Motor Enclosure Protection with Voltage Level.

04/19/2014 2:46 AM

Good question, but it is something you would know from attending a 4 week course on Ex equipment, its uses and deployment.

I would like to tell you the answer, but I'm afraid, very afraid a little knowledge in this case is EXTREMELY dangerous. You ONLY have one opportunity to get this right, and a dozen or so lines in an open forum, will not give you the level of knowledge or expertise to comprehend the answers.

I suggest you find a training course, register and attend for this type of equipment. I can tell from your questions you know very little about the topic as you've not asked about termination of cables and the use of cable glands. A full blown training course is the right way to go in this instance.

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