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API

API Std 541

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Covers the minimum requirements for all form-wound squirrel-cage induction motors 500 Horsepower and larger for use in petroleum industry services. This standard may be applied to adjustable speed motors and induction generators with appropriate atention to the specific requirements of such applications.

Product Details

Edition:
4th
Published:
06/01/2004
ANSI:
ANSI Approved
Number of Pages:
84
File Size:
1 file , 670 KB
Product Code(s):
C54104, C54104, C54104
Note:
This product is unavailable in Cuba, Iran, North Korea, Syria
API

API Std 541

Click here to purchase
This standard covers the minimum requirements for special purpose form-wound squirrel cage induction motors 375 kW (500 hp) and larger for use in petroleum, chemical, and other industry applications. This standard can also be used for induction generators by substituting “generator” for “motor” where applicable.

Notes following a paragraph in Sections 1 through 8 are informational only and are not enforceable as part of this standard.

NOTEA special purpose machine typically has one or more of the following characteristics:

1)is in an application for which the equipment is designed for uninterrupted, continuous operation in critical service, and for which there is usually no installed spare equipment;
2)is larger than 2250 kW (3000 hp) for speeds 1800 rpm and below;
3)is rated 600 kW (800 hp) or greater for two pole (3000 rpm or 3600 rpm) machines of totally enclosed construction, or rated 930 kW (1250 hp) or greater for two pole machines of open or guarded construction (including machines with WP-I or WP-II type enclosures);
4)drives a high-inertia load (in excess of the load Wk2 listed in NEMA MG 1, Part 20);
5)uses an adjustable speed drive (ASD) as a source of power;
6)is an induction generator;
7)is a vertical machine rated 375 kW (500 hp) or greater; or
8)operates in abnormally hostile environments.

This standard requires the purchaser to specify details and features. The purchaser shall complete the datasheets in Annex A.

NOTEGuidance for completion of the datasheets is provided in Annex C.

Product Details

Edition:
5th
Published:
12/01/2014
Number of Pages:
160
File Size:
1 file , 2.3 MB
Redline File Size:
2 files , 16 MB
Note:
This product is unavailable in Cuba, Iran, North Korea, Syria