{"id":147460,"date":"2024-10-19T08:39:37","date_gmt":"2024-10-19T08:39:37","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-c57-94-2016\/"},"modified":"2024-10-25T00:55:38","modified_gmt":"2024-10-25T00:55:38","slug":"ieee-c57-94-2016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-c57-94-2016\/","title":{"rendered":"IEEE C57.94 2016"},"content":{"rendered":"

Revision Standard – Active. Recommendations for operation and maintenance of dry-type distribution and power transformers are provided.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nIEEE Std C57.94-2015 Front Cover <\/td>\n<\/tr>\n
3<\/td>\nTitle page <\/td>\n<\/tr>\n
5<\/td>\nImportant Notices and Disclaimers Concerning IEEE Standards Documents <\/td>\n<\/tr>\n
8<\/td>\nParticipants <\/td>\n<\/tr>\n
10<\/td>\nIntroduction <\/td>\n<\/tr>\n
11<\/td>\nContents <\/td>\n<\/tr>\n
12<\/td>\nImportant Notice
1. Overview
1.1 Scope <\/td>\n<\/tr>\n
13<\/td>\n1.2 Purpose
2. Normative references <\/td>\n<\/tr>\n
14<\/td>\n3. Definitions
4. Application
4.1 Fire protection
4.2 Unusual operating conditions
4.2.1 High altitude operation
4.2.2 Impact loading
4.2.3 Over excitation
4.3 Surge voltage protection <\/td>\n<\/tr>\n
15<\/td>\n4.4 Transient voltage protection
4.5 Environmental considerations
4.5.1 Ventilated and non-ventilated dry-type transformers
4.5.2 Sealed dry-type transformers
4.5.3 Hazardous areas
4.6 Maintenance accessibility
4.6.1 Clearance <\/td>\n<\/tr>\n
16<\/td>\n4.6.2 Removal
4.7 Personnel and public safety
4.8 Room requirements <\/td>\n<\/tr>\n
17<\/td>\n4.9 Outdoor applications
4.10 Loading
4.10.1 Unusual conditions
4.10.2 Insulation system temperature class
4.11 Audible sound control
4.11.1 Audible sound sources <\/td>\n<\/tr>\n
18<\/td>\n4.11.2 Control of audible sound sources
4.11.3 Control of audible sound transmission
5. Installation
5.1 Visual inspection
5.1.1 Inspection upon receipt
5.1.1.1 General <\/td>\n<\/tr>\n
19<\/td>\n5.1.1.2 Ventilated and non-ventilated
5.1.1.3 Sealed
5.1.2 Inspection prior to energization
5.1.2.1 General
5.1.2.2 Sealed
5.2 Handling
5.2.1 Handling in inclement weather <\/td>\n<\/tr>\n
20<\/td>\n5.2.2 Precautions in lifting
5.2.3 Skidding or rolling
5.2.4 Movement of a transformer
5.3 Grounding
6. Testing
6.1 General <\/td>\n<\/tr>\n
21<\/td>\n6.2 Pre-service tests
6.2.1 Recommended pre-service tests
6.2.2 Optional pre-service tests
6.3 Periodic tests
6.3.1 Recommended preventive maintenance tests
6.3.2 Optional preventive maintenance tests <\/td>\n<\/tr>\n
22<\/td>\n6.4 Test procedures
6.4.1 Insulation resistance test
6.4.2 Insulation power factor test
7. Operation
7.1 De-energized tap changer
7.2 Effect of humidity on ventilated and non-ventilated dry-type transformers <\/td>\n<\/tr>\n
23<\/td>\n7.3 Effect of pressure on sealed dry-type transformers
7.3.1 Dielectric strength and heat transfer
7.3.2 Overload
7.3.3 Gas condensation
7.3.4 Moisture
8. Maintenance
8.1 Periodic inspection and maintenance <\/td>\n<\/tr>\n
24<\/td>\n8.1.1 Inspection of ventilated and non-ventilated dry-type transformers
8.1.2 Maintenance of ventilated and non-ventilated dry-type transformers
8.1.3 Inspection of sealed dry-type transformers
8.2 Storage
8.2.1 Ventilated and non-ventilated dry-type transformers <\/td>\n<\/tr>\n
25<\/td>\n8.2.2 Sealed dry-type transformers
8.3 Drying core and coil assembly
8.3.1 General
8.3.2 Drying by internal heat
8.3.3 Drying by external heat <\/td>\n<\/tr>\n
26<\/td>\n8.3.4 Drying by external and internal heat
8.3.5 Determining drying time
8.3.5.1 General
8.3.5.2 Measurement of insulation resistance <\/td>\n<\/tr>\n
27<\/td>\n8.3.6 Drying sealed dry type transformers
8.3.6.1 Removal of moisture
8.3.6.2 Resealing of case <\/td>\n<\/tr>\n
28<\/td>\nAnnex A (informative) Bibliography <\/td>\n<\/tr>\n
29<\/td>\nBack cover <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type Distribution and Power Transformers<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2016<\/td>\n29<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":147464,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-147460","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/147460","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/147464"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=147460"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=147460"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=147460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}