IEC 62770
Fluids for electrotechnical applications – Unused natural esters for transformers and similar electrical equipment
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Organization: | IEC |
Publication Date: | 1 November 2013 |
Status: | active |
Page Count: | 38 |
ICS Code (Insulating fluids): | 29.040 |
Document History

IEC 62770
November 1, 2013
Fluids for electrotechnical applications – Unused natural esters for transformers and similar electrical equipment
A description is not available for this item.
References
This document references:
IEC 60601-2-62 - Medical electrical equipment – Part 2-62: Particular requirements for the basic safety and essential performance of high intensity therapeutic ultrasound (HITU) equipment
Published by IEC
on
July 1, 2013
This International Standard applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of HIGH INTENSITY THERAPEUTIC ULTRASOUND EQUIPMENT as defined in 201.3.218, hereafter referred to as ME EQUIPMENT....
This document references:
IEC 61161 - Ultrasonics – Power measurement – Radiation force balances and performance requirements
Published by IEC
on
January 1, 2013
This International Standard • specifies a method of determining the total emitted acoustic power of ultrasonic transducers based on the use of a radiation force balance; • establishes general...
This document references:
IEC/TR 62649 - Requirements for measurement standards for high intensity therapeutic ultrasound (HITU) devices
Published by IEC
on
April 1, 2010
This technical report is relevant to the measurement and specification of ultrasound fields intended for medical therapeutic purposes. Lithotripsy and physiotherapy are excluded, since there are...
This document references:
IEC/TR 62781 - Ultrasonics – Conditioning of water for ultrasonic measurements
Published by IEC
on
September 1, 2012
This Technical Report describes methods: • for degassing water to be used in ultrasonic measurements, • to decrease the ionic content of water to be used in ultrasonic measurements, • to decrease the...
This document references:
IEC 62127-2 - Ultrasonics - Hydrophones - Part 2: Calibration for ultrasonic fields up to 40 MHz
Published by IEC
on
March 1, 2017
This part of IEC 62127 specifies: • absolute hydrophone calibration methods; • relative (comparative) hydrophone calibration methods. Recommendations and references to accepted literature are made...
This document is referenced by:
IEEE C57.155 - Guide for Interpretation of Gases Generated in Natural Ester and Synthetic Ester-Immersed Transformers
Published by IEEE
on
November 3, 2014
The guide's application is for natural and synthetic ester-immersed transformers. This guide addresses the following: - The theory of combustible gas generation in a natural and synthetic...
This document is referenced by:
IEC 60079-6 - Explosive atmospheres – Part 6: Equipment protection by liquid immersion "o"
Published by IEC
on
February 1, 2020
This part of IEC 60079 specifies the requirements for the design, construction, testing and marking of Ex Equipment and Ex Components with type of protection liquid immersion “o” intended for use in...
This document is referenced by:
BS EN 60079-6 - Explosive atmospheres - Part 6: Equipment protection by oil immersion “o”
Published by BSI
on
December 31, 2015
A description is not available for this item.
This document is referenced by:
EN 60079-6 - Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
Published by CENELEC
on
December 1, 2015
This part of IEC 60079 specifies the requirements for the design, construction, testing and marking of Ex Equipment and Ex Components with type of protection liquid immersion “o” intended for use in...
This document is referenced by:
SNZ AS/NZS 60079.6 - Explosive atmospheres Part 6: Equipment protection by oil immersion ‘o’
Published by SNZ
on
December 17, 2015
This part of IEC 60079 specifies the requirements for the design, construction, testing and marking of Ex Equipment and Ex Components with type of protection liquid immersion “o” intended for use in...