Shopping Cart

No products in the cart.

IEEE C57.131-2024

$57.42

IEEE Standard Performance Requirements and Test Methods for Tap-Changers (Approved Draft)

Published By Publication Date Number of Pages
IEEE 2024 86
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

Revision Standard – Active. Electrical and mechanical performance and test requirements for on-load tap-changers of both resistor and reactor types, de-energized tap-changers, and their motor-drive mechanisms installed in power and distribution transformers, reactors, and voltage regulators are covered.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std C57.131™-2024 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
10 Introduction
11 Contents
13 1. Overview
1.1 Scope
1.2 Application
1.3 Word usage
14 1.4 Utilization of normative references
2. Normative references
15 3. Definitions, acronyms, and abbreviations
3.1 Definitions
20 3.2 Acronyms and abbreviations
4. Service conditions
4.1 Temperature of tap-changer environment
21 4.2 Temperature of tap-changer motor-drive mechanism environment
4.3 Overload conditions
5. Requirements for on-load tap-changers (OLTCs)
5.1 General requirements
23 5.2 Type tests for OLTCs
39 5.3 Routine tests for OLTCs
40 6. Requirements for motor-drive mechanisms for OLTCs
6.1 General requirements
42 6.2 Type tests for motor-drive mechanism
43 6.3 Routine tests for motor-drive mechanism
7. Requirements for de-energized tap-changers
7.1 General requirements
44 7.2 Type tests for DETCs
50 7.3 DETC test report
7.4 Routine tests for DETCs
51 7.5 DETC warning label
8. Requirements for motor-drive mechanisms for DETCs
8.1 General requirements
52 8.2 Type tests for motor-drive mechanism
53 8.3 Routine tests for motor-drive mechanism
9. Nameplate
9.1 On-load and de-energized tap-changers
54 9.2 Motor-drive mechanisms
10. Manufacturer’s operating instructions
55 Annex A (normative) Switching duty relating to resistor type on-load tap-changers
A.1 Duty on main and transition contacts
67 Annex B (normative) Switching duty relating to reactor type on-load tap-changers
B.1 Additional test parameters
B.2 Duty on switching contacts
78 Annex C (normative) Method for determining the equivalent temperature of the transition resistor using power pulse current
79 Annex D (informative) Simulated AC circuits for service duty and breaking capacity tests for resistor type on-load tap-changers
D.1 General
D.2 Transformer method
80 D.3 Resistance method
82 Annex E (informative) Example of a synthetic test circuit for service duty test of vacuum type tap-changers21
E.1 Definitions with relevance to the synthetic test circuit
E.2 Example for the test setup of a synthetic test circuit
83 E.3 Example for breaking/making condition during a switching operation
85 Annex F (informative) Bibliography
86 Back cover
IEEE C57.131-2024
$57.42