TC 33

Power capacitors and their applications

Label	Title
Working Group
WG 23	Self-healing A.C. shunt power capacitors having a rated voltage above 1 000 V
Maintenance Teams
MT 13	Series capacitor banks and protective equipment
MT 18	Power electronics capacitors
MT 19	Shunt capacitors for a.c. power systems having a rated voltage above 1000 V
MT 20	Coupling capacitors and capacitor dividers
MT 21	Shunt power capacitors for a.c. systems having a rated voltage up to and including 1000 V
MT 24	Special applications
MT 25	AC motor capacitors
Joint Working Groups
JWG 17A	(TC 33 - SC 17A) - Grading capacitors linked to SC 17A
JWG 22F	(TC 33 - SC 22F) - Thyristor controlled series capacitors linked to SC 22F

Country	Country Code	P/O Status	IEC Membership
Austria	AT	P-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
Czech Republic	CZ	P-Member	Full Member
Denmark	DK	O-Member	Full Member
Egypt	EG	P-Member	Full Member
Finland	FI	P-Member	Full Member
France	FR	P-Member	Full Member
Germany	DE	P-Member	Full Member
India	IN	P-Member	Full Member
Iran	IR	O-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
Mexico	MX	O-Member	Full Member
Norway	NO	O-Member	Full Member
Oman	OM	O-Member	Full Member
Poland	PL	O-Member	Full Member
Portugal	PT	O-Member	Full Member
Romania	RO	O-Member	Full Member
Russian Federation	RU	P-Member	Full Member
Serbia	RS	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
Thailand	TH	O-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 Gunnar Ingeström (SE) Term of office : 2026-04	Send Email
Secretary	Mr Stefano Zunino (IT)	Send Email
Assistant Secretary	Ms Daniela Zambelli (IT)	Send Email

Technical Officer	Mr Miroslav Siket	Send Email
Standards Project Administrator	Ms Nadine Andrey	Send Email
Editor	Ms Katherine Ogden	Send Email

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Committee	Description	Incoming liaison representative	Outgoing liaison representative
Internal IEC Liaison
TC 9	Electrical equipment and systems for railways		Mr Rainer Weber
SC 17A	Switching devices
SC 22F	Power electronics for electrical transmission and distribution systems
TC 38	Instrument transformers	Mr Joachim Schmid	Mr Joachim Schmid
TC 99	Insulation co-ordination and system engineering of high voltage electrical power installations above 1,0 kV AC and 1,5 kV DC