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Surge capacitors

Surge capacitors
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Surge capacitors

Product catalog summary
Overview: This document outlines the technical specifications and guidelines for medium voltage surge capacitors, which are designed to protect the insulation and windings of motors and transformers from surge waves. It highlights the importance of using surge arresters alongside capacitors for optimal protection.
Key Features:
  • High reliability and ability to withstand transient voltages.
  • Long lifespan with low dielectric losses.
Applications: These capacitors are suitable for use with medium voltage motors, generators, switchgears, and transformers.
Installation and Maintenance:
  • Capacitors should be connected between phase terminals and ground.
  • Ensure no mechanical stress is applied to insulators and adhere to specified torque limits for bolts.
  • Regular checks on electrical connections and capacitor tightness are necessary.
  • Discharge devices before handling them.
Technical Data:
  • Rated voltage ranges from 1-24 kV, with a frequency of 50/60 Hz.
  • Complies with standards IEC 60871-1:2005 and IEC 60871-2:1999.
  • Capacitance tolerance is between -5% and +10%.
  • Specifications for test voltages and total losses are provided.
  • Life expectancy exceeds 130,000 hours.
  • Protection degree is IP 00, with an ambient temperature range of -40 to 50°C.
  • Maximum humidity is 95%, and maximum altitude is 2000 m.
Construction:
  • Features a stainless-steel case suitable for both indoor and outdoor use.
  • Utilizes an all-film dielectric system with JARYLEC impregnant.
  • Includes built-in discharge resistors.
Ratings and Dimensions: Detailed tables provide ratings for various capacitor types, including voltage, capacitance, current, power, insulating level, and dimensions.
Additional Information: Custom configurations are available upon request. Contact details for ZEZ SILKO, s.r.o. are provided for further inquiries.
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Catalog excerpts

Surge capacitors-1

SURGE CAPACITORS MEDIUM VOLTAGE OCHRANNÉ KONDENZÁTORY VYSOKÉHO NAPĚTÍ

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Surge capacitors-2

SURGE CAPACITORS MEDIUM VOLTAGE OCHRANNÉ KONDENZÁTORY VYSOKÉHO NAPĚTÍ These surge capacitors are used to limit the surge wave shape to prevent damage of insulation of MV motors, generators and transformers. The best protection solution is to use surge arresters together with the surge capacitors. Then both wave shape and magnitude are limited. Ochranné kondenzátory jsou konstruovány tak, aby zmírnily prudké rázové vlny a tím chránily izolace a vinutí rotačních zařízení (motorů) a transformátorů před poškozením. Doporučujeme použít spolu s kondenzátory bleskojistky. Tato kombinace zmírňuje jak...

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Surge capacitors-3

SURGE CAPACITORS MEDIUM VOLTAGE OCHRANNÉ KONDENZÁTORY VYSOKÉHO NAPĚTÍ Technical Data and Limit Values / Technická data a limitní hodnoty Rated voltage Jmenovité napětí: UN 1-24 kV Rated frequency Jmenovitý kmitočet: fN 50/60 Hz Standards Normy: IEC 60871-1: 2005 EN 60871-1: 2005 ČSN EN 60871-1; 2006 IEC 60871-2: 1999 Capacitance tolerance Tolerance kapacity: -5/+10% Test voltage, terminal/terminal Zkušební napětí mezi svorkami: UTT 2,15 x UN AC, 10 s (4,3 x UN DC, 10 s) Test voltage, terminal/case Zkušební napětí mezi spojenými svorkami a nádobou: UTC According to the insulating level, for...

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Surge capacitors-4

SURGE CAPACITORS MEDIUM VOLTAGE OCHRANNÉ KONDENZÁTORY VYSOKÉHO NAPĚTÍ Table of ratings / Tabulka výkonů Rated Capacitance voltage Jmenovité Kapacita napětí UN [kV] Insulating level Izolační hladina PUEFS - dead case, without internal fuses, discharge resistors 75V/600s - izolovaná nádoba, bez vnitřních pojistek, vybíjecí odpory 75V/600s PUEFS 23-12/0,25 PUFFS - live case, without internal fuses, discharge resistors 75V/600s - pól na nádobě, bez vnitřních pojistek, vybíjecí odpory 75V/600s Other voltage, power, frequency and insulating levels are available on regest. Kondenzátory pro jiné napětí,...

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Surge capacitors-5

SURGE CAPACITORS MEDIUM VOLTAGE OCHRANNÉ KONDENZÁTORY VYSOKÉHO NAPĚTÍ Table of ratings / Tabulka výkonů Rated Capacitance voltage Jmenovité Kapacita napětí UN [kV] Insulating level Izolační hladina PUEJS - dead case, without internal fuses and discharge resistors - izolovaná nádoba, bez vnitřních pojistek, bez vybíjecích odporů PUEJS 23-7,5/0,34 PUFJS - live case, without internal fuses and discharge resistors - pól na nádobě, bez vnitřních pojistek, bez vybíjecích odporů PUFJS 23-7,2/0,25 Other voltage, power, frequency and insulating levels are available on regest. Kondenzátory pro jiné napětí,...

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Surge capacitors-6

SURGE CAPACITORS MEDIUM VOLTAGE OCHRANNÉ KONDENZÁTORY VYSOKÉHO NAPĚTÍ Dimensional Drawing 1 / Rozměrový výkres 1 Dimensional Drawing 2 / Rozměrový výkre

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Surge capacitors-7

SURGE CAPACITORS MEDIUM VOLTAGE OCHRANNÉ KONDENZÁTORY VYSOKÉHO NAPĚTÍ Notes / Poznámky:

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Surge capacitors-8

ZEZ SILKO, s.r.o. Pod Černým lesem 683 564 22 Žamberk Tel.: +420 465 673 111 Fax: +420 465 612 319 e-mail: [email protected] http: //www.zez-silko.cz © Copyright 2009 ZEZ SILKO, s.r.o. All Rights Reserved Specification subject to change without notice. The information contained in this brochure describes the type of component and stall not be considered as guaranteed characteristics. This brochure replaces the previous edition. © Copyright 2009 ZEZ SILKO, s.r.o. Všechna práva vyhrazena. Specifikace výrobků se mohou měnit bez oznámení. Informace v tomto katalogu popisují pouze typy vyráběných produktů...

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