B
ECOS-C
User manual
DRIESCHER
Medium voltage-
Compact switchgear
• Indoor
• SF6-free
• Rated voltage 24 kV
STROM • SICHER • SCHALTEN
Страница 1: ...B ECOS C User manual DRIESCHER Medium voltage Compact switchgear ECOS C Indoor SF6 free Rated voltage 24 kV STROM SICHER SCHALTEN ...
Страница 2: ...quirements of personnel 2 2 4 Fire prevention requirements 3 TECHNICAL DESCRIPTION 11 3 1 Technical data of the switchgear 11 3 2 Technical data of the circuit breaker 12 3 3 Function and design 13 3 3 1 Performance profile 3 3 2 Design features 3 3 3 Vacuum interrupter technology 3 3 4 Design of the switch unit 3 3 5 Design of the switch system 3 3 6 Design of the switchgear 3 3 7 Behaviour in th...
Страница 3: ...ions 36 6 2 Commissioning 36 6 3 Operation 37 6 4 Switching 38 6 5 Changing over the pre selector switch 38 6 6 Voltage display 38 6 7 Earthing the input or output cables 39 6 8 Testing the cables 39 6 9 Insulating fluid level sight glass 40 6 10 Mechanical switching cycle counter 40 7 REPAIR 41 7 1 Basis for repair 41 7 2 Concept 41 7 3 Visual check 42 7 4 Inspection 43 7 5 Maintenance 43 7 6 Cor...
Страница 4: ...ral instruction Read this user manual before installing and commissioning the equipment Keep this user manual available at the equipment The activities described in this user manual may be performed only by qualified electricians authorised by the operating company Scope of this manual This user manual forms the basis for operating and using the ECOS C medium voltage switchgear Translation of the ...
Страница 5: ...e following pictograms for DANGER ATTENTION CAUTION and NOTICE For hazards that arise from high voltages the special pictogram for hazardous voltages is also used DANGER Danger that can lead to personal injuries or death DANGER High voltage danger of death Immediate danger of death or serious personal injury due to touching live high voltage parts ATTENTION Danger or unsafe procedure which may res...
Страница 6: ...manual is based on the following standards EN 62271 1 2017 IEC 62271 1 chapter 11 EN 62271 100 2017 IEC 62271 100 chapter 10 EN 62271 200 2012 IEC 62271 200 chapter 10 1 5 Associated documents The following documents are associated with this manual Job specific electrical circuit diagram Manuals for optional protective relays and other additional components Factory instructions National regulation...
Страница 7: ...art 2 2010 National appendices EN 50180 2017 Ducts for voltages above 1 kV and up to 52 kV and currents from 250 A to 3 15 kA for liquid cooled transformers EN 60529 2013 Types of protection through casings IP code EN 60721 Classification of environmental conditions part 3 3 1997 Classes of environmental impacts and their limit values fixed installation weather protected EN 61243 5 2001 Working on...
Страница 8: ...applicable national and international regulations for accident prevention and the internal working instructions operating instructions and safety instructions Faults which may affect safety must be rectified immediately 2 1 1 Use for the intended purpose The ECOS C medium voltage switchgear unit is intended exclusively for the distribution and switching of electrical energy It may be operated only...
Страница 9: ...working order Example use suitable voltage testers to check all phases for phase to phase and phase to earth volt ages 4 Earthing and short circuiting Earth all current carrying parts with short circuit proof earthing conductors and short circuit devices Take care in cases where downstream energy feeds may be present e g solar power systems ring mains and emergency back up power systems 5 Fit prot...
Страница 10: ...manual are persons engaged in the transportation erection commissioning and operation of the equipment and who are appropriately qualified to perform such work The operating personnel must be competent Competent personnel have appropriate training and experience such that they are in the position to recognise and avoid hazards that can arise from elec trical voltages Such personnel must be authori...
Страница 11: ... operating current Ir 630 A Rated operating current busbar Ir 630 A Permissible ambient temperature in operation T 25 40 C Max permissible relative humidity in operation rH 90 non condensing Fault arc qualification IAC FL 20 kA 1s IAE 0 5 kA 1 s Service continuity category LSC 2 Partition class PM Index of protection of equipment enclosure IP 2X Index of protection of switching and busbar unit IP ...
Страница 12: ...oltage Ur 24 kV Rated short circuit duration tk 3 s Rated short time current Ik 20 kA Rated surge current Ip 50 kA Rated short circuit breaking current Isc 20 kA Rated operating current Ir 630 A Electrical working life E1 Mechanical working life M2 Rated switching sequence O 0 3s CO 180s CO Extinguishing medium Vacuum Actuation Manual motorised drive ...
Страница 13: ...0 C K3 stable even at extreme fluctuations in temperature 3 3 2 Design features Thanks to the single phase metal clad enclosure of the busbars and the circuit breakers the risk of a three phase short circuits and resulting electric arcs is practically excluded If a fault arc occurs in the cable connection chamber the pressure relief is downwards into the false floor Because of the offset arrangeme...
Страница 14: ...ter are small switching elements with a short stroke and high performance Neither gases nor electric arcs are released during the switching cycle The interrupter generates neither oxides nor extraneous substances When the contacts of the vacuum interrupter open to interrupt the current an electric arc is formed metal vapour carrying a high current density which extinguishes itself at the next zero...
Страница 15: ... environmentally friendly synthetic ester based dielectric insulating fluid At the interface between the switch system and the mecha nical drive there is a phase tube seal with an integral shaft bel lows This acts as a seal for the switching system Several switching systems for a phase form a busbar unit One switch system for the phases L1 L2 and L3 form a switch unit The phases of a switch unit a...
Страница 16: ...itch busbar earth 9 Earth contact 10 Phase tube termination Functional features a The switching movement of the contacts within the vacuum interrupter 2 is performed axially by the drive lever 8 b The switching movement of the pre selector switch 3 is performed radially by rotating the drive lever 8 through 180 c Each switch unit incorporates a spring drive for the vacuum interrupter This powers a...
Страница 17: ...ain relief 6 Insulating fluid level sight glass 7 Equipment earth Mechanism and position displays 8 On and off buttons for the circuit breaker CB 9 Position display CB ON OFF 10 Pre selector switch EARTH BUSBARS When the circuit breaker is switched on the pre selector switch is mechanically locked 11 Position display pre selector switch EARTH BUSBARS 12 Actuation mechanism Switch enclosure 13 Fron...
Страница 18: ...d substations Transformer substations and false floors according to EN 62271 202 must be tested as a whole for their behaviour in the event of internal faults In this case buildings doors and false floors amongst other features must be able to withstand the MS switchgear blow out pressure The clear height of the exhaust opening in the cable duct under the ECOS medi um voltage switchgear unit must ...
Страница 19: ...lculation must be submitted to demonstrate that in the event of a fault the station and false floor can withstand the exhaust pressure of the switchgear NOTICE The size of the openings for pressure relief must correspond to the number of panels see chapter 3 4 Dimensions and Floor Recesses Refer to the manufacturer s data for the design of a suitable expanded metal plate Please contact DRIESCHER t...
Страница 20: ...age switchgear unit can be fitted with a motorised drive to enable remote operation The motorised drive automatically charges the spring drive as required The manual drive operating key is unaffected by the motorised drive When using the manual drive be sure to rotate the operating key fully to the stop The operating voltages 24 48 60 110 V DC or 230 V AC are available for selection other operatin...
Страница 21: ...ith a secondary cabinet for the installation of manufactu rer independent protection and measurement systems The secondary cabinet can be removed for transportation and installation because the internal electrical connections are established with plug in system Digital protective relay DSZ 4 RN1 Digital protective relay IKI30 Digisave digital protective relay Secondary cabinet 3 3 11 Option Heater...
Страница 22: ...modate current transformers and voltage transformers that are used for measurement and protection 3 3 13 Other options Current converters split core transformers and surge arresters can be fitted in the cable connection chamber The circuit breakers are available with a variety of electrical equipment Auxiliary contacts with position displays rated 24 48 60 110 and 220 V DC and also 230 V AC are av...
Страница 23: ...et Depth mm 398 398 398 398 398 398 Overall height mm 1900 1900 1900 1900 1900 1900 NOTICE A gap of at least 50 mm on the sides and 15 mm at the back must be left between the ECOS C medium voltage switchgear unit and the wall For maintenance reasons we recom mend a distance of 100 mm from the switch panel to the building wall at the sides as well as towards the rear NOTICE Appropriate openings mus...
Страница 24: ... recess B Floor attachment C Wall of the building See note on the previous page DANGER Personal injury and damage to property The floor recess A must not be sealed The pressure relief of the switchgear is performed via this opening in the floor 2 panel 3 panel 4 panel ...
Страница 25: ...and damage to property The floor recess A must not be sealed The pressure relief of the switchgear is performed via this opening in the floor MV Compact switchgear ECOS C Floor recesses B ECOS C 25 52 5 panel 6 panel 7 panel ...
Страница 26: ...tic diagram Legend Circuit breaker busbar connection QA1 Circuit breaker QZ1 Pre selector switch PF1 Capacitive voltage display for the input or output cables BC1 Split core type current transformer FA9 Surge arrester Circuit breaker T4 Busbar connection T0 acc to IEC 81346 ...
Страница 27: ...act switchgear ECOS C Schematic diagram B ECOS C 27 52 Legend Measurement panel PF1 Capacitive voltage display for the input or output cables BC11 Current transformer BA11 Voltage transformer Measurement panel ...
Страница 28: ...MV Compact switchgear ECOS C Schematic diagram B ECOS C 28 52 16566 Circuit breaker without secondary cabinet ...
Страница 29: ...MV Compact switchgear ECOS C Schematic diagram B ECOS C 29 52 16567 Circuit breaker with secondary cabinet ...
Страница 30: ...ing instructions The following pictograms with their associated meanings apply to transportation and storage Top Handle with care High centre of gravity Protect against heat Protect against wet Do not step on the equipment Do not stack Max permissible tilt Refer to lifting instructions Permissible temperature ...
Страница 31: ...l to the width of the equipment Lb times a factor of 1 1 for the dimensions of the equipment see chapter 3 4 Dimensions and Floor Recesses DANGER Protection of personnel Ensure that no personnel remain in the hazard area The equipment may be suspended using transport slings only where the transport slings have a length Lmin equal at least equal to the width of the equipment Lb times a factor of 1 ...
Страница 32: ...ng transportation the equipment must not be tilted more than 30 The national and international standards must be complied with Maximum total weight Variant without secondary cabinet with secondary cabinet 2 panel switchgear approx 615 kg approx 675 kg 3 panel switchgear approx 790 kg approx 860 kg 4 panel switchgear approx 965 kg approx 1045 kg 5 panel switchgear approx 1140 kg approx 1230 kg 6 pa...
Страница 33: ...voltage switchgear can be installed directly on the floor or on a prepared support fabrication according to EN 62271 200 2 Remove the front fascias at the top and bottom the front frames at the top and bottom and also the service covers 3 Attach with 10xM10 bolts Tightening torque 32 Nm 4 Refit the front fascias front frames at the top and bottom and also the covers DANGER Use the lifting points p...
Страница 34: ...oltage danger of death Compliance with the 5 safety rules see chapter 2 2 1 Five Safety Rules is essential whenever work is being performed on the switchgear All open connection cones must be covered as protection against being touched Refer to and comply with the respective manufacturer s installation manual for end cap installation Example with Cellplux CTS cable plug connections Example with Ce...
Страница 35: ...t be fitted with screw on insulating caps of the correct voltage rating as pro tection against being touched We recommend the use of Cellplux CIK 630 A 24 kV insulating caps Company Cellpack Recommended cross section of the medium voltage cables To prevent excessive heating in the switchgear the cross section of the medium voltage cables must be specified so that in normal operation the conductor ...
Страница 36: ...he switch disconnector or circuit breaker for the branch that is switched off and is to be switched on must be set to busbar to permit subsequent switching on DANGER High voltage danger of death Compliance with the 5 safety rules see chapter 2 2 1 Five Safety Rules is essential whenever work is being performed on the switchgear 1 Check the level of insulating fluid in the sight glass the level mus...
Страница 37: ... ON OFF 2 Pre selector safety valve 5 locked in Position ON 3 Circuit breaker CB ON OFF button 4 Display of spring pre charging drive 5 Pre selector 6 Manual charging main spring 7 Pre selector switch position indicator Busbar or earthing 8 Optional Electronic protective relay 9 VDS capacitive voltage display according to EN 61243 5 2001 IEC 61243 5 on the cable side 10 Mechanical cycle counter CB...
Страница 38: ... the circuit breaker by pressing the ON pushbutton The capacitive voltage taps are fed to the front fascia and are displayed by the WEGA 1 2 voltage dis play in accordance with the VDS system to EN 61243 5 2001 The display device has test sockets for connecting the Orion Compare Company Horstmann voltage test and phase balance device or another suitable test device according to EN 61243 5 see chap...
Страница 39: ...s earths the output cable DANGER High voltage danger of death Compliance with the 5 safety rules see chapter 2 2 1 Five Safety Rules is essential for all work on the switchgear unit Furthermore the following points must be complied with The installation and user manuals for the switchgear must be complied with The standard EN 62271 200 The manufacturer s data on the cable plug connector The type o...
Страница 40: ...nufacturer is informed 6 10 Mechanical switching cycle counter Each switch panel is equipped with a mechanical switching cycle counter for the drive and the vacuum interrupter This counter is mounted on the front fascia panel When a certain switching cycle count is reached an repair must be performed see chapter 7 Repair Insulating fluid level sight glass Float sphere NOTICE Since the switch conta...
Страница 41: ...gulations 734 2 In other countries the relevant national regulations must be complied with EN 62271 1 EN 62271 100 EN 62271 200 DIN 31051 7 2 Concept The repair concept of the ECOS C medium voltage switchgear consists of the following operations five sub groups Visual check Inspection functional check identification of condition Maintenance certificate of good operating condition Corrective mainte...
Страница 42: ...nge active to completely blue satu rated the desiccation cartridge must be replaced To do this the front cover plate at the top of the equipment must be removed The desiccation cartridge can then be unscrewed and replaced with a new one for the part no see chapter 8 2 Accessories and Spare Parts Desiccation cartridge Active silica gel Saturated silica gel Contrast c The checking of the mechanical ...
Страница 43: ...t is included in the inspection DRIESCHER is the right service partner for all servicing work 7 5 Maintenance Regular on site maintenance ensures continued safe operation of the equipment For this purpose the entire medium voltage switchgear unit is switched off and taken out of service The maintenance work may only be performed by DRIESCHER This maintenance work must be carried out once the follo...
Страница 44: ...and reliability of the equip ment It also extends the product working life We recommend a corrective maintenance of the ECOS C medium voltage switchgear unit After approx 15 to 20 years e g in conjunction with the renewal of the electronic protective relay equipment However no later than achievement of the guaranteed number of 10000 switching cycles An corrective maintenance consists essentially o...
Страница 45: ...ore no additional charges for disposal of special waste are incurred when at the end of the product s working life the equipment is reprocessed into waste products The materials used in the ECOS C are largely suitable for reprocessing and can thus be sent for recycling Disposal must be by authorised contractors in accordance with the national regulations or the equip ment can be returned to the ma...
Страница 46: ...e the equipment on the right hand side 8 Appendix Rated values data Equipment Applicable standards Equipment Configuration of the equipment Circuit breaker T4 Busbar connection T0 Rated values data Circuit breaker Applicable standards Circuit breaker If you have questions about the product or wish to place an order please state the highlighted nameplate data ...
Страница 47: ...ools that may not be standard equipment in a workshop or are supplied with the switchgear or can be ordered at a later date as required Operating key for operating the spring and changing over the pre selector switch When the spring is being charged the crank is turned by hand until it reaches the mechanical stop The pre selector switch busbar earth is changed over by turning it through 180 using ...
Страница 48: ...age testing Example CTS 630 A 24 kV EGA Cellplux angled plug in cable connectors are suitable for connec ting all plastic insulated infeed cables to switchgear and transfor mers for grid voltages up to a maximum of 24 kV Main components 1 Field control element of silicone 2 Bolted cable lug with shear bolt and integral restraint 3 Contact pin with M16 shear bolt 4 Inner electrode 5 Main insulation...
Страница 49: ...plux CTKS 630 A 24 kV Screw on coupling plug connectors for infeed cables in conjunction with CTS 630 A Cellplux CTKSA 630 A 12 bis 24 kV Screw on coupling plug surge arrestors for the incoming cables in conjunction with CTS 630 A Cellplux CIK 630 A 24 kV Screw on insulating caps of the correct voltage rating to protect the open connectors on the equipment against being touched ...
Страница 50: ...ge arrestor Accessories Recommended spare parts Part no Designation 2 90103126 Horstmann WEGA 1 2C 17 5 24 kV VDS capacitive voltage display 2 90103127 Horstmann WEGA 1 2C 10 17 5 kV VDS capacitive voltage display 2 90101004 Operating key for operating the spring and changing over the pre selector switch 2 90103021 Double bit key for the secondary cabinets 2 90103104 T30 Torx screwdriver with T ha...
Страница 51: ...ear ECOS C Appendix B ECOS C If the suggested actions fail to rectify the fault inform the manufacturer without fail No actions may be undertaken apart from those described in this manual 8 No Nature of the fault Cause of the fault Remedial action sight glass at Min ...
Страница 52: ...event of faults or to answer any que stions you may have with regard to compatibility assembly or maintenance A member of our team is always contactable by telephone also outside the normal office hours Please have the technical data from the type labels to hand Phone 49 0 87 61 6 81 0 E Mail service driescher de www driescher de Our Agency in Switzerland Cellpack Power Systems AG Schützenhausstr ...
