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SIVACON

Distribution systems

Installation and maintenance

instructions for Power Factor

Correction (PFC) capacitors

Installation Manual

05/2022

L1V30884033A

Introduction

Safety notes

Mounting

Standards and references

Harmonics

Overpressure disconnector

Overcurrent / short circuit

protection

Maintenance

Appendix

Содержание SIVACON

Страница 1: ...ructions for Power Factor Correction PFC capacitors Installation Manual 05 2022 L1V30884033A Introduction 1 Safety notes 2 Mounting 3 Standards and references 4 Harmonics 5 Overpressure disconnector 6 Overcurrent short circuit protection 7 Maintenance 8 Appendix A ...

Страница 2: ...e who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation If products and components from other manufacturers are used these m...

Страница 3: ... 5 Connecting 16 3 5 1 Connecting the supply cable 16 3 6 Discharging of capacitors 18 3 6 1 Discharge the capacitor 18 3 7 Inrush current limitation 20 4 Standards and references 21 4 1 IEC 60831 Standard and Reference 21 5 Harmonics 23 6 Overpressure disconnector 25 7 Overcurrent short circuit protection 27 7 1 Overcurrent short circuit protection 27 8 Maintenance 29 8 1 Disposal of waste electr...

Страница 4: ...Table of contents Installation and maintenance instructions for Power Factor Correction PFC capacitors 4 Installation Manual 05 2022 L1V30884033A ...

Страница 5: ...not purport to cover all details or variations in equipment or to provide for every possible contingency in connection with installation operation or maintenance Should additional information be desired or should particular problems arise that are not discussed in enough detail in the operating instructions please contact Technical Support https www siemens com support request for the information ...

Страница 6: ...support on the Internet at Technical Support https www siemens com support request Introduction 1 2 Technical Support Installation and maintenance instructions for Power Factor Correction PFC capacitors 6 Installation Manual 05 2022 L1V30884033A ...

Страница 7: ...faulty units banks in the system Handle capacitor units carefully as they may be charged even after disconnection due to faulty discharging devices Follow proper engineering practices Do not use the HRC fuses to power up and down the capacitor otherwise this could lead to the risk of electrical arcing Also consider terminals of capacitors connected bus bars and cables and any other devices which a...

Страница 8: ... substances are present In a dusty environment regular maintenance and cleaning especially of the terminals is required to avoid a conductive path between phases and or phases and ground Safety notes 2 2 Storage and operation conditions Installation and maintenance instructions for Power Factor Correction PFC capacitors 8 Installation Manual 05 2022 L1V30884033A ...

Страница 9: ...njury or property damage Capacitors should not be used any longer in case of dents mechanical or any other kind of damage Check the integrity of discharge resistors before installation WARNING Exceeding the maximum allowed temperature may set safety device out of operation It may result in death serious injury or property damage The maximum allowed temperature must not be exceeded DANGER Hazardous...

Страница 10: ...ce Before connecting the device make sure that the line voltage matches the specifications on the rating plate Before you start up the device check that all connections are correct Before power is applied to the device for the first time it must have been located in the operating area for at least two hours in order to reach temperature balance and avoid humidity and condensation Condensation on t...

Страница 11: ... lowest stress temperature possible WARNING The use of damaged devices may result in death serious injury or property damage Do not install the capacitor in case of dents deeper than 0 5 mm Disregarding can lead to malfunctions or bursting Installation and maintenance instructions for Power Factor Correction PFC capacitors Installation Manual 05 2022 L1V30884033A 11 ...

Страница 12: ...f capacitor 224 mm and DeltaCap capacitors series may be mounted only in the vertical position Mounting conditions PFC capacitors must be installed in a cool and well ventilated place and not close to objects that radiate heat such as filter circuit reactors and furnaces or in the direct sunlight Mounting 3 1 Mounting the capacitors Installation and maintenance instructions for Power Factor Correc...

Страница 13: ...ote The pictures depicted above are for illustration purposes only Actual sample will be as per MLFB type Using reactors cooling space for cables If reactors are used in an application note that they operate at a much higher temperature The distance between the reactor and capacitor must be large enough so that no reactor heat is conducted via the connection cable to the capacitor or that heat rad...

Страница 14: ...ques PhaseCap PhaseCap Compact PhaseCap Energy PhaseCap HD DeltaCap M12 bottom stud torque 10 Nm PhiCap M12 bottom stud for diameters 53 mm torque 10 Nm M 8 bottom stud for diameters 53 mm torque 4 Nm Mounting 3 3 Fixing threaded bottom stud Installation and maintenance instructions for Power Factor Correction PFC capacitors 14 Installation Manual 05 2022 L1V30884033A ...

Страница 15: ... connectors have to penetrate existing layers of lacquer to ensure good constant conductivity and sufficient current carrying capabilities If grounding is done via the metal chassis the capacitor is mounted to then the layer of varnish beneath the washer and nut should be removed Mounting 3 4 Grounding Installation and maintenance instructions for Power Factor Correction PFC capacitors Installatio...

Страница 16: ...es Product type Screws Maximum cable cross section Maximum allowable RMS total current Maximum permissible torque values PhaseCap Premium M5 25 mm2 80 A 2 0 Nm PhaseCap Compact Terminal Type A Terminal Type B Terminal Type C M4 M5 M5 16 mm2 25 mm2 25 mm2 50 A 80 A 80 A 1 2 Nm 2 0 Nm 2 0 Nm DeltaCap M5 25 mm2 55 A 2 0 Nm PhaseCap Energy Terminal type A Terminal type B Terminal type C Terminal type ...

Страница 17: ... terminal screws PhaseCap Premium DeltaCap PhaseCap Compact PhaseCap Energy except terminal type F and PhiCap 5 5 x 1 Ph2 Pz2 type PhaseCap HD PhaseCap Energy with terminal type F DIN 5264 B 1 2 x 6 5 Mounting 3 5 Connecting Installation and maintenance instructions for Power Factor Correction PFC capacitors Installation Manual 05 2022 L1V30884033A 17 ...

Страница 18: ...tic PFC equipment phase opposition Siemens discharge resistors are designed to discharge capacitors down to 75 V or less within 180 seconds some types within 90 seconds please refer to the specific data sheet Make sure that the correct resistor is used for replacement e g ohmic value and push on connector diameter Discharge the capacitor Before re switching capacitors must be discharged to 10 of t...

Страница 19: ...KDUJH UHVLVWRU Mounting 3 6 Discharging of capacitors Installation and maintenance instructions for Power Factor Correction PFC capacitors Installation Manual 05 2022 L1V30884033A 19 Table 3 1 Discharge resistor and discharge module Push on discharge resistors External discharge resistor ...

Страница 20: ... as to capacitors and reduce their life cycle Inrush currents have a negative effect on power quality e g transients voltage drop MKK and MKP designs feature high impulse handling capability inrush current limitation is required e g contactors with pre charging resistors for pre loading of capacitors Mounting 3 7 Inrush current limitation Installation and maintenance instructions for Power Factor ...

Страница 21: ... 5000 switching operations PhaseCap HD and PhiCap up to 5000 switching operations PhaseCap Compact up to 10000 switching operations PhaseCap Energy up to 15000 switching operations Before considering a higher number of switching operations please contact Siemens Installation and maintenance instructions for Power Factor Correction PFC capacitors Installation Manual 05 2022 L1V30884033A 21 ...

Страница 22: ...Standards and references 4 1 IEC 60831 Standard and Reference Installation and maintenance instructions for Power Factor Correction PFC capacitors 22 Installation Manual 05 2022 L1V30884033A ...

Страница 23: ...ions with harmonic distortion Depending on the chosen series resonance frequency a part of the harmonic current will be absorbed by the power capacitor The rest of the harmonic current will flow into the grid The use of power capacitors with reactors reduces harmonic distortion and minimizes the disturbing effects on operation of other loads Note Avoid resonance conditions The most important reaso...

Страница 24: ...Harmonics Installation and maintenance instructions for Power Factor Correction PFC capacitors 24 Installation Manual 05 2022 L1V30884033A ...

Страница 25: ...ngth because of curvature of the lid or stretching of the expansion bead Expansion beyond a certain degree will separate the internal wires tear off fuses and disconnect the capacitor from the line CAUTION The function of an overpressure disconnector can be affected To ensure full functionality of an overpressure disconnector observe the following requirements 1 The elastic metal top must not be i...

Страница 26: ...Overpressure disconnector Installation and maintenance instructions for Power Factor Correction PFC capacitors 26 Installation Manual 05 2022 L1V30884033A ...

Страница 27: ...tion cables should be dimensioned according to handling of current for recommendations refer to the appendix HRC fuses do not protect the capacitor against overload They are only a short circuit protection MCCBs and HRC fuse rating has to be 1 6 1 8 times nominal capacitor current Do not use HRC fuses for switching capacitors lightning arc Use thermal magnetic overcurrent relays for overload prote...

Страница 28: ...ercurrent short circuit protection 7 1 Overcurrent short circuit protection Installation and maintenance instructions for Power Factor Correction PFC capacitors 28 Installation Manual 05 2022 L1V30884033A ...

Страница 29: ... If a significant increase in the amount of non linear loads is detected a consultant has to be called in for a harmonic study In cases of the presence of harmonics the installation of a de tuned capacitor bank reactors must be considered Check the discharge resistors reactors and in case of doubt check their function 1 Power the capacitor up and down 2 After 60 seconds the voltage between the ter...

Страница 30: ...Maintenance 8 1 Disposal of waste electronic equipment Installation and maintenance instructions for Power Factor Correction PFC capacitors 30 Installation Manual 05 2022 L1V30884033A ...

Страница 31: ...2 5 8 3 12 20 2 5 10 14 4 25 4 12 5 18 35 4 15 21 6 35 6 20 29 50 10 25 36 63 16 30 43 80 25 40 58 100 35 50 72 125 35 56 kvar 440 V 73 5 125 35 60 kvar 440 V 78 7 160 35 Other voltage ratings 230 V table figure x 1 74 440 V table figure x 0 91 480 V table figure x 0 83 525 V table figure x 0 76 690 V table figure x 0 58 800 V table figure x 0 50 The internal wiring of a capacitor bank can be norm...

Страница 32: ... 75 mm The connections and the terminals may influence the vibration properties It is necessary to check the stability when an installed capacitor is exposed to vibration Irrespective of this it is not advised to locate capacitors where vibration amplitude could reach maximum levels in strongly vibrating appliances Appendix Installation and maintenance instructions for Power Factor Correction PFC ...

Страница 33: ...at no injury or damage is sustained by third parties in the event of malfunction or failure of an electronic component 3 The warnings cautions and product specific notes must be observed 4 In order to satisfy certain technical requirements some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions e g because they are classed as hazar...

Страница 34: ...Appendix Installation and maintenance instructions for Power Factor Correction PFC capacitors 34 Installation Manual 05 2022 L1V30884033A ...

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