MKP525-D-2

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MKP525-D-2 - MKP525-D-2

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Series/Type: MKP525-D-2.0-P Ordering code: B25671A5022A020 Date: Version: September 2005
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Identification/Classification (header Identification/Classification (header Ordering code: Series/Type: Preliminary data (optional): necessary) Department: Date: September 2005 PoleCap capacitors Power Factor Correction series B25671A5022A020 MKP525-D-2.0-P
EPCOS 2005. Reproduction, publication dissemination this data sheet, enclosures hereto information contained therein without EPCOS' prior express consent prohibited.
PoleCap capacitors Power Factor Correction series
B25671A5022A020 MKP525-D-2.0-P
Construction Dielectric: Polypropylene film Gas-impregnated type Winding hard core Extruded round aluminium with stud Provided with ceramic discharge module Triple safety system Features Three phase, delta connected Self-healing technology Naturally cooled forced cooling) Outdoor mounting Ambient Highest insulation strength outdoor applications 60831, Terminal cover, cable gland connection cable made material resistant weather, radiation aging. Cable UV-resistant flame retardant Housing pure aluminium (corrosion-free operation) Double housing terminals protection against hazardous parts, ingress solid foreign bodies, dust harmful effects water
Technical data specifications Characteristics
Rated capacitance Tolerance Connection Rated voltage Rated frequency Output Rated current (dielectric) +10% (Delta) kVAr kvar kVAr 2.64
Please read important notes page cautions warnings. Page
September 2005
PoleCap capacitors Power Factor Correction series
Dimensional drawing
B25671A5022A020 MKP525-D-2.0-P
Maximum ratings
Umax daily) Umax min) Imax
Test data
1130 during 3.000 during kvar
Climatic category -40/D
Tmin Tmax Humidity Maximum altitude rel. 4.000
Mean life expectancy
100.000 hours Max. 5.000 switching year acc. 60831
Label design
Design data
Dimensions Weight approx Impregnation Fixing Max. torque stud) Mounting position Dry, inert Threaded bolt mounting position possible. "Maintenance Installation Manual" further details.
Please read important notes page cautions warnings. Page
September 2005
PoleCap capacitors Power Factor Correction series
B25671A5022A020 MKP525-D-2.0-P
Terminals
Enclosure Connection cables Cable cross section Cable gland Maximum terminal current Creepage distance Clearance IP54 internally protected Length resistant water proof) 13.5 12.7
Safety
Mechanical safety Max. short circuit current Discharge resistor time Overpressure disconnector (AFC:
Reference standards
60831-1/2
Please read important notes page cautions warnings. Page
September 2005
PoleCap capacitors Power Factor Correction series
B25671A5022A020 MKP525-D-2.0-P
Cautions warnings case dents more than depth other mechanical damage, capacitors must used all. ensure full functionality overpressure disconnector, elastic elements must hindered minimum space kept above each capacitor. handle capacitor before discharged max. rated voltage. Resonance cases must avoided appropriate application design case. Handle capacitors carefully, because they still charged even after disconnection faulty discharging devices. Protect capacitor properly against over current short circuit. When stripe visual fault indicator seen, capacitor replaced case. Failure follow cautions result, worst case, premature failures, bursting fire. Discharging Capacitors must discharged maximum rated voltage before they switched again. This prevents electric impulse discharge application, influences capacitor's service life protects against electric shock. capacitor must discharged less within minutes. There must switch, fuse other disconnecting device circuit between power capacitor discharging device. PoleCap capacitors have pre-mounted ceramic discharge module; alternatively discharge reactors available from EPCOS. Discharge short circuit capacitor before handling! Service life expectancy Electrical components have unlimited service life expectancy; this applies self-healing capacitors too. maximum service life expectancy vary depending application capacitor used Safety Ensure good, effective grounding capacitor enclosures. Provide means disconnecting insulating faulty component/bank. Handle capacitors carefully, because they still charged even after disconnection faulty discharging devices. terminals capacitors, connected bars cables well other devices also energized. Follow good engineering practice. Overcurrent short circuit protection fuses MCCBs short circuit protection. Short circuit protection connecting cables should selected that times rated capacitor current permanently handled. fuses protect capacitor against overload they only short circuit protection. fuse rating should times rated capacitor current.
Please read important notes page cautions warnings. Page September 2005
PoleCap capacitors Power Factor Correction series
fuses switch capacitors (risk arcing). thermal magnetic overcurrent relays overload protection.
B25671A5022A020 MKP525-D-2.0-P
Resonance cases Resonance cases must avoided appropriate application design case. Maximum total capacitor current (incl. fundamental harmonic current) specified technical data must exceeded. Overtemperature Exceeding maximum allowed temperature safety device operation. Overpressure disconnector ensure full functionality overpressure disconnector, following must observed: elastic elements must hindered, i.e. connecting lines must flexible leads (cables), there must sufficient space (min. expansion above connections (see "Clearing distance overpressure disconnector"). folding beads must retained clamps. Maximum allowed fault current 10000 accordance with standard must assured application. Stress parameters capacitor must within IEC60831 specification. Re-switching phase-opposition case voltage interruption, sufficient discharge time ensured avoid phaseopposition resulting high inrush currents. Vibration resistance resistance vibration capacitors corresponds part 2-6.
Max. test conditions: Test duration Frequency range Displacement amplitude corresponding max. 0.75
These figures apply capacitor alone. Because fixing terminals influence vibration properties, necessary check stability when capacitor built exposed vibration. Irrespective this, advised locate capacitors where vibration amplitude reaches maximum strongly vibrating equipment. Mechanical protection PoleCap capacitor installed that mechanical damages dents aluminum avoided.
Please read important notes page cautions warnings. Page
September 2005
PoleCap capacitors Power Factor Correction series
B25671A5022A020 MKP525-D-2.0-P
Clearing distance overpressure disconnector Above each capacitor, minimum space kept. This will allow visual control work enable longitudinal extension secure over-pressure disconnector work. Grounding threaded bottom stud capacitor used grounding. case grounding done metal chassis that capacitor mounted layer varnish beneath washer should removed. maximum tightening torque Choosing best spot mounting Especially regions with long periods sunshine high temperatures, PoleCap should installed such that located shadow pole most daylight. addition natural cooling wind combination with single-housing capacitor, this will help keep spot temperature lowest level possible. Maintenance Check tightness connections/terminals periodically. Take current reading twice year compare with nominal current. harmonic analyser true effective RMS-meter. case current above nominal current check your application modifications. significant increase amount non-linear loads been detected, then consultant called harmonic study. case presence harmonics installation de-tuned capacitor bank (reactors) must considered. Check discharge resistors/reactors case doubt, check their function: power capacitor down. After seconds voltage between terminals must decline less than Check temperature capacitors directly after operation longer period, make sure that capacitors have been switched off. case excessive temperature individual capacitors, recommended replace these capacitors, this should indication loss factor increase, which sign reaching life. Storage operating conditions store capacitors corrosive atmosphere, especially where chloride gas, sulfide gas, acid, alkali, salt like present. dusty environments regular maintenance cleaning especially terminals required avoid conductive path between phases and/or phases ground. Note detailed information about capacitors cautions, refer latest version EPCOS Product Profile.
Please read important notes page cautions warnings. Page
September 2005
Important notes
following applies products named this publication: Some parts this publication contain statements about suitability products certain areas application. These statements based knowledge typical requirements that often placed products areas application concerned. nevertheless expressly point that such statements cannot regarded binding statements about suitability products particular customer application. rule, EPCOS either unfamiliar with individual customer applications less familiar with them than customers themselves. these reasons, always ultimately incumbent customer check decide whether EPCOS product with properties described product specification suitable particular customer application. also point that individual cases, malfunction passive electronic components failure before their usual service life cannot completely ruled current state art, even they operated specified. customer applications requiring very high level operational safety especially customer applications which malfunction failure passive electronic component could endanger human life health (e.g. accident prevention life-saving systems), must therefore ensured means suitable design customer application other action taken customer (e.g. installation protective circuitry redundancy) that injury damage sustained third parties event malfunction failure passive electronic component. warnings, cautions product-specific notes must observed. order satisfy certain technical requirements, some products described this publication contain substances subject restrictions certain jurisdictions (e.g. because they classed "hazardous"). Useful information this will found Material Data Sheets Internet (www.epcos.com/material). Should have more detailed questions, please contact sales offices. constantly strive improve products. Consequently, products described this publication change from time time. same true corresponding product specifications. Please check therefore what extent product descriptions specifications contained this publication still applicable before when place order. also reserve right discontinue production delivery products. Consequently, cannot guarantee that products named this publication will always available.
Unless otherwise agreed individual contracts, orders subject current version
"General Terms Delivery Products Services Electrical Industry" published German Electrical Electronics Industry Association (ZVEI). trade names EPCOS, CeraDiode, CSSP, PhaseCap, PhaseMod, SIFI, SIKOREL, SilverCap, SIMID, SIOV, SIP5D, SIP5K, TOPcap, UltraCap, WindCap trademarks registered pending Europe other countries. Further information will found Internet www.epcos.com/trademarks.
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MKP525-D-2

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