Long-time experiences of ZnO varistor application in power transformers and OLTC's

41st International Conference on Large High Voltage Electric Systems 2006, CIGRE 2006

Volumn , Issue , 2006, Pages

  Heinzig, P ^a   Knorr, W ^a   Ploetner, C ^a   Kramer A ^b   Kolbl M ^b  

^a SIEMENS AG   (Germany)

^b MASCHINENFABRIK REINHAUSEN GMBH   (Germany)

Author keywords

On load tap changer; Reliability; Winding protection; Zink oxide varistors

Indexed keywords

HIGH POWER TRANSFORMER; LIGHTNING IMPULSE VOLTAGE; ON-LOAD-TAP-CHANGER; REPRODUCIBLE BEHAVIOR; RESONANCE OSCILLATION; TRANSIENT OVER-VOLTAGE; WINDING-PROTECTION; ZINK-OXIDE-VARISTORS;

ELECTRIC SPARKS; ELECTRIC TRANSFORMER TESTING; IMPULSE TESTING; INSULATION; LIGHTNING; POWER TRANSFORMERS; RELIABILITY; STABILITY CRITERIA; TRANSFORMER PROTECTION; TRANSFORMER WINDINGS; VARISTORS; WINDING;

ZINC OXIDE;

EID: 84876762568     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (3)

1. W. Müller, E. Buckow. "Numerische Berechnung der Resonanzschwingungen von Transformatorenwicklungen (Siemens Forschungs- und Entwicklungsberichte Bd. 13 (1984)).
2. W. Knorr, W. Müller and W. Peschke. "The use of ZnO Varistors in Transformers" (Elektrizitätswirtschaft Bd. 85 (1986)).
3. W. Knorr, W. Peschke and B. Thies. "The behavior of Zink Oxide Devices in Hot Transformer Oil" (Elektrizitätswirtschaft Bd. 84 (1985)).