TC 38

Instrument transformers

Label	Title
Working Groups
WG 37	Specific Clauses for Electronic Voltage Transformers (future IEC 61869-7), for Electronic Current Transformers (future IEC 61869-8) and Digital Interface for Instrument Transformers (future IEC 61869-9).
WG 39	IEV 321
WG 45	Standard Mathematical Models for Instrument Transformers
WG 47	Evolution of Instrument transformer requirements for the modern market
WG 49	Instrument Transformers for low voltage applications
WG 54	Instrument Transformers integrated with other devices
Maintenance Teams
MT 48	Revision of IEC 61869-1: Instrument Transformers – General Requirements
Joint Working Groups
JWG 52	Safety requirements for current and voltage transformers for low voltage applications (<1000Vac)
JWG 55	Uncertainty evaluation in the calibration of Instrument Transformers
JWG 56	Station Service Voltage Transformers (SSVT)
Advisory Groups
AG CAG	Chairman's Advisory Group

Country	Country Code	P/O Status	IEC Membership
Australia	AU	P-Member	Full Member
Austria	AT	P-Member	Full Member
Belarus	BY	O-Member	Full Member
Belgium	BE	P-Member	Full Member
Brazil	BR	P-Member	Full Member
Bulgaria	BG	O-Member	Full Member
Canada	CA	P-Member	Full Member
China	CN	P-Member	Full Member
Croatia	HR	P-Member	Full Member
Czech Republic	CZ	P-Member	Full Member
Denmark	DK	O-Member	Full Member
Egypt	EG	O-Member	Full Member
Finland	FI	P-Member	Full Member
France	FR	P-Member	Full Member
Germany	DE	P-Member	Full Member
Hungary	HU	O-Member	Full Member
India	IN	P-Member	Full Member
Indonesia	ID	O-Member	Full Member
Iran	IR	P-Member	Full Member
Ireland	IE	O-Member	Full Member
Israel	IL	O-Member	Full Member
Italy	IT	P-Member	Full Member
Japan	JP	P-Member	Full Member
Korea, Republic of	KR	P-Member	Full Member
Malaysia	MY	O-Member	Full Member
Mexico	MX	O-Member	Full Member
Netherlands	NL	P-Member	Full Member
New Zealand	NZ	O-Member	Full Member
Norway	NO	P-Member	Full Member
Pakistan	PK	O-Member	Full Member
Poland	PL	P-Member	Full Member
Portugal	PT	O-Member	Full Member
Romania	RO	P-Member	Full Member
Russian Federation	RU	P-Member	Full Member
Serbia	RS	O-Member	Full Member
Singapore	SG	O-Member	Full Member
Slovakia	SK	O-Member	Full Member
Slovenia	SI	O-Member	Full Member
South Africa	ZA	O-Member	Full Member
Spain	ES	P-Member	Full Member
Sweden	SE	P-Member	Full Member
Switzerland	CH	P-Member	Full Member
Turkey	TR	O-Member	Full Member
Ukraine	UA	O-Member	Full Member
United Kingdom	GB	P-Member	Full Member
United States of America	US	P-Member	Full Member

Chair	Mr Volker LEITLOFF (FR) Term of office : 2023-07	Send Email
Vice-Chair	Ms Olga V. Petrova (RU) Term of office : 2021-11	Send Email
Secretary	Mr Filippo Frugoni (IT)	Send Email

Technical Officer	Mr Miroslav Siket	Send Email
Standards Project Administrator	Ms Nadine Andrey	Send Email
Editor	Mrs Lucy Sonner	Send Email

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Committee	Description	Incoming liaison representative	Outgoing liaison representative
Internal IEC Liaison
TC 1	Terminology		Ms Olga Petrova
TC 1	Terminology		Ms Olga Petrova
TC 10	Fluids for electrotechnical applications	Mr Russell Martin	Mr Flavio Mario Mauri
TC 13	Electrical energy measurement and control		Mr Paolo Mazza
TC 14	Power transformers	Mr Rajaram Shinde	Mr Danijel Krajtner
SC 17C	Assemblies	Mr Mark Kuschel	Mr Ivano Gentilini
TC 33	Power capacitors and their applications	Mr Joachim Schmid	Mr Joachim Schmid
TC 36	Insulators		Mr Pierre-André Monfils
TC 57	Power systems management and associated information exchange		Mr Roman Graf
SC 77A	EMC - Low frequency phenomena	Mr Alex McEachern Mr Ivo Novakovic	Mr Paolo Mazza
TC 85	Measuring equipment for electrical and electromagnetic quantities	Mr Ivo Novakovic	Mr Benoît LEPRETTRE
SC 86C	Fibre optic systems and active devices	Mr Benoît Laville	Mr Farnoosh Rahmatian
TC 95	Measuring relays and protection equipment		Mr Philippe Alibert
TC 99	Insulation co-ordination and system engineering of high voltage electrical power installations above 1,0 kV AC and 1,5 kV DC		Mr Pierre-André Monfils
TC 115	High Voltage Direct Current (HVDC) transmission for DC voltages above 100 kV	Mr Thomas Haupt Mr JinZhong Li	Mr Pierre-André Monfils
Liaison A
CIGRE/SC A3	Transmission and distribution equipment	Mr Farnoosh Rahmatian
CIGRE/SC B3	Substations and electrical installations
CIGRE/SC B5	CIGRE/SC B5	Mr Volker LEITLOFF

Working Groups	Description	Organization
Liaison C
WG 37	Specific Clauses for Electronic Voltage Transformers (future IEC 61869-7), for Electronic Current Transformers (future IEC 61869-8) and Digital Interface for Instrument Transformers (future IEC 61869-9).	IEEE/IMS TC 39
WG 47	Evolution of Instrument transformer requirements for the modern market	CIGRE/SC C4
WG 47	Evolution of Instrument transformer requirements for the modern market	IEEE/IMS TC 39