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Maintenance

Contents of this chapter

This chapter contains the preventive maintenance instructions for the PVS-175 medium
voltage station(MVS). The instructions are intended for certified personnel to perform
maintenance tasks.

WARNING!

Only an authorized electrician is permitted to do maintenance work on the MVS.
Obey the

Safety instructions (page 9)

and follow the local safety regulations. If

ignored, physical injury or death, or damage to the equipment may occur.

WARNING!

Do not do electrical work during a thunderstorm.

Tools list

•

Torx drivers

•

Philips screwdrivers (PoziDriv)

•

Torque wrench

•

Set of wrenches and sockets

•

Cable and wire strippers

•

Crimping tool and cable lugs

•

Voltage detector

•

Personal protective equipment

8

Maintenance 55

Содержание PVS-175 Series

Страница 1: ... ABB SOLAR INVERTERS PVS 175 medium voltage station Hardware manual ...

Страница 2: ......

Страница 3: ... voltage station Hardware manual Table of contents 1 Safety instructions 5 Electrical installation 7 Start up and operation 2019 ABB Spain All Rights Reserved 3AES PVS 175 MVS 00 MA01 A Rev A EN EFFECTIVE 2019 05 14 ...

Страница 4: ......

Страница 5: ... External dimensions 16 Layout drawing 16 Working areas and main components 17 Main components 18 AC cabinet components 18 Inverter inputs 19 Auxiliary service board 20 MV switchgear 20 MV switchgear circuit 21 MV transformer 22 String inverter 22 Main circuit diagram 23 Type designation label 24 Type designation key 24 MVS optional codes 3 Storing lifting and transporting 27 Contents of this chap...

Страница 6: ...e installation 49 Contents of this chapter 49 Finalizing the installation 50 Landscaping the station 50 Checking the installation of MVS 7 Start up and operation 51 Contents of this chapter 51 Tools needed 51 Prerequisite 52 Start up procedure 8 Maintenance 55 Contents of this chapter 55 Tools list 56 Tightening torque 57 Maintenance intervals 57 Maintenance activities 58 Maintenance intervals 58 ...

Страница 7: ...acing the door limit switch 9 Technical data 65 Contents of this chapter 66 Technical data and types PVS 175 MVS 10 Drawings 69 Contents of this chapter 69 List of technical drawings Further information Table of contents 7 ...

Страница 8: ...8 ...

Страница 9: ...ns of hazards from electricity which can cause physical injury and or damage to the equipment WARNING General warning warns about conditions other than those caused by electricity which can result in physical injury and or damage to the equipment WARNING General warning warns about weather conditions prohibited maintenance operations during a typhoon thunderstorm snow rain and electrical storm Mai...

Страница 10: ...ment Only authorized electricians are allowed to install start up and maintain the MVS Working methods tools components etc must follow the IEC regulations Obey all local safety regulations concerning electrical stations The MVS should be energized and de energized only by an authorized person who has the task specific instructions for the operation of an MV substation and permission from the on s...

Страница 11: ...r and read its safety instructions 2 Check the operation of the capacitive voltage indicators in all MV switchgear bays all phase LEDs are switched on when a voltage is connected 3 Disconnect the MV switchgear from all possible power supplies external auxiliary and inverters as well as any parallel connection stations and secure by locking and tagging a Stop the string inverters outside the MVS Op...

Страница 12: ... and add warning notices Ground the inverter AC sides with appropriate temporary grounding set 8 Check that the MV transformer is dead high voltage terminals low voltage terminals any auxiliary power and instrumentation Use an appropriate high voltage tester only for the high voltage side and a voltage detector with suitable testing heads for the low voltage side 9 Issue a work permit Safety instr...

Страница 13: ...ersonnel 2 Before you start a group of inverters check the connections of each inverter input and the recommendations in the specific inverter manual 3 Do not open the AC base fuse switches when the MVS is operating 4 Before you adjust the group of inverters and set them into service make sure that all of them are suitable for operation 5 Do not use the inverters in a manner not specified in the m...

Страница 14: ...14 ...

Страница 15: ... auxiliary components of the MVS MV switchgear connects to the power grid It is also the main protecting switching breaking and disconnecting equipment of the medium voltage side of the solar power plant AC cabinet contains all parallel connections to the inverter inputs and the auxiliary service boards required for the autonomous function of the MVS Note that the AC cabinet also includes an addit...

Страница 16: ...को क ै िबनेट म रखा जाना चािहए और दीवार पर थािपत िकया जाना चािहए R0 R2 े म आकार की ड राइव की िन नानुसार दो थापना प धितयाँ होती ह लंबवत प से अक े ले B C D A 1 2 Free area A MV switchgear area For more information see section MV switchgear page 20 B MV transformer area For more information see section MV transformer page 21 C AC cabinet area For more information see section AC cabinet components page...

Страница 17: ...र थापना साइट की जाँच कर ड राइव हािनय को हटाने क े िलए थापना साइट पयार त प से हवादार है या ठंडी है पृ ठ 4 7 4 5 3 5 7 6 8 9 Free area 1 A MV switch gear 2 B MV transformer 3 C Exhaust air hood 4 Fans 5 Auxiliary service transformer 6 Inlet air grid 7 Hardware description 17 ...

Страница 18: ... I G H F E D C B AC cabinet panel back side ड राइव हािनय को हटाने क े िलए थापना साइट पयार त प से हवादार है या ठंडी है पृ ठ 7 3 7 8 9 AC cabinet panel front side Auxiliary service board For more information see section Auxiliary service board page 19 8 D Inverter inputs For more information see section Inverter inputs page 18 9 Bus bar output compartment 10 Main input circuit surge arrester and aux...

Страница 19: ...e Technical drawings are delivered with the unit only if you requested Surge arrester protection for the auxiliary service board 1 Upstream on load fuse switch for auxiliary service transformer protection 2 Downstream circuit breaker for auxiliary service transformer protection 3 Torch light and charger 4 Auxiliary service board circuit breakers and differential protections 5 Grounding busbar 6 Te...

Страница 20: ...ng and earthing switch See figure below 2 The connection of other parallel connected substations V is the Vacuum circuit breaker module equipped with the Self power relay REJ 603 as a standard MV switchgear circuit The diagrams below show the standard CV MV switchgear and optional CCV MV switchgear Both the switchgears can be upgraded to V module motorized and REF615 protection relay by adding com...

Страница 21: ...e information see MV switchgear manuals 1YVA000024 and 1YVA000026 MV transformer See MV transformer manual For dry type MV transformer see Operation and maintenance manual 1LES10000 YB Hardware description 21 ...

Страница 22: ...igurations See also single line diagram 3AES PVS 175_MVS 01 DW01 CV MV switchgear possible to upgrade to CCV 1 MV transformer 2 AC cabinet 3 Inverter inputs See also section Inverter inputs page 18 4 Auxiliary service transformer 5 Auxiliary service board AC cabinet heating 6 MV Transformers external fan 1 7 MV transformers external fan 2 8 External power socket 9 Lighting 10 Optional communicatio...

Страница 23: ... देख आव यक साधन ड राइव को यांित रक प से थािपत करने क े िलए आपको िन निलिखत साधन की आव यकता है उपयुक त िब स क े साथ िड रल पचकस और या उिचत िब स क े एक सेट क े साथ िरंच जैसा िक उपयोग िकए गए थापना हाडर वेयर क े िलए उपयुक त है टेप का माप यिद आप प रदान िकए गए माउंिटंग टे पलेट का उपयोग नहीं कर रहे ह ड राइव को थानांतिरत करना े म R5 R8 थापना थल पर पिरवहन पैक े ज को पैलेट ट रक से ले जाएं S N NNNNNNNNNNNN Des...

Страница 24: ...rmer Dry transformer ECO losses TRECO Standard losses dry transformer 22kV is replaced with dry transformer 33kV Dry transformer 36kV TR36kV Standard losses dry transformer 60 Hz is replaced with dry transformer 50 Hz Dry transformer 50Hz TR50Hz Auxiliary service board Standard 10 KVA auxiliary service transformer is upgraded to a 20 KVA 400 230 V auxiliary service transformer Auxiliary transforme...

Страница 25: ...ojects of 1 station for communication between stations Basic communica tion board 2 COM2 UPS with capacity of 3kVA 6min 2kVA 8min 1kVA 20min 0 5kVA 48min 0 3kVA 95min Installation included UPS power value 3kVA UPS3 UPS with capacity of 6kVA 10min 4kVA 17min 3kVA 23min 2kVA 42min 1kVA 84min Installation included UPS power value 6kVA UPS6 UPS with capacity of 10kVA 6min 8kVA 8min Installation includ...

Страница 26: ...26 ...

Страница 27: ...rings or any general poor condition WARNING Ignoring the following instructions can cause physical injury or death or damage to the equipment Use only authorized lifting equipment and personnel Prevent anybody getting under the load Do not stand on the roof while fastening the lifting slings or while lifting Do not throw slings or hooks onto the roof WARNING Use original silica gel bags only durin...

Страница 28: ...ure the ground underneath the MVS is solid flat dry and vegetation free The ground must support the station evenly from below and there should not be any twisting or stress Do not place the MVS directly onto the bare ground because this could damage the paint and cause corrosion Place the MVS on wooden support beams Locate the beams under the four corners and the middle points Conditions for using...

Страница 29: ...mum length of each sling is five meters Adjust the length of lifting slings so that the MVS does not tilt during lifting Do not allow the lifting slings to scratch the walls or roof Damaged paint can lead to corrosion Use a guide wire attached to a lower corner of the MVS to prevent rotation Do not throw slings or hooks onto the roof Do not stand on the roof during fastening the lifting slings or ...

Страница 30: ...ing WARNING Keep the transportation height as low as possible Make sure the total height of the transportation is not more than the maximum allowed height WARNING Transport the MVS on an open heavy duty chassis Do not use an enclosed trailer because the stations surface could easily be damaged WARNING Do not throw the hooks over the roof This can damage the paint and cause corrosion or operation p...

Страница 31: ... cm For maritime sea transportation the maximum values considered are Stacking load 96 000 kg Racking load 75 kN Tare weight 3100 kg Gross weight 19 000 kg Fasten the MVS firmly onto the chasis using heavy duty straps Incoming inspection at arrival Visually check for any potential transportation damage s If any damages found mark and record them and immediately inform your local ABB representative...

Страница 32: ...32 ...

Страница 33: ...move the MVS to fasten the MVS foundation and to tighten the connections Crane forklift or pallet truck with sufficient load capacity Pozidriv and Torx 2 5 to 6 mm screwdrivers with short and long heads or bits Torque wrench Set of wrenches and sockets Foundation guidelines For information on the MVS dimensions and footprint see drawing 3AES PVS 175 MVS 30 DW02 Always follow the local rules and la...

Страница 34: ...otential local special requirements for example earthquake or typhoon anchoring of the construction area Use materials suitable for the local conditions and requirements Placing the MVS on the foundation WARNING Before lifting the MVS onto the foundation make sure the foundation is aligned well hardened and stable 1 Measure the level of the foundation and the tilting of the surface of the surround...

Страница 35: ...see figure below Use bolts and washers in each connection point Placement of bracket Attachment bracket Fastening points Follow the local regulations and applicable standard to calculate the mechanical connections and structural properties Always consider the site conditions and terrain characteristics For more information see drawing 3AES PVS 175 MVS 30 DW02 Constructing earthing electrode and ea...

Страница 36: ...de Provide a permanent or portable platform for comfortable operation of the MVS switching devices as the foundation can be higher than the surrounding ground For platform design and construction follow the local rules and standards 4 Do not plant trees near the MVS If bushes are planted make sure that the planting compost base is at least one meter 40 in away from the station housing and that the...

Страница 37: ...ols Lifting crane Working platform or ladder Automatic screw driver Wrench Din933 M6x35 A2 Inox screws Din9021 M6 A2 Inox EPDM DIN7712 rubber metallic washer Sealing product WURTH Klebt Dichtet ref 0890100181 Mechanical installation 37 ...

Страница 38: ... Procedure 1 Unpack the protection hood 2 Remove the fans transportation plate 3 Apply the sealing product on hood border 38 Mechanical installation ...

Страница 39: ...4 Use the lifting crane and place the hood on its frame 5 Install the washers and screw For information on torque see Tightening torque page 56 Mechanical installation 39 ...

Страница 40: ...6 Apply a layer of sealant around the hood border 40 Mechanical installation ...

Страница 41: ...ns WARNING Only an authorized electrician is allowed to install the cabling to the MVS Obey the Safety instructions page 9 and the local safety regulations If ignored physical injury or death may follow or damage to the equipment may occur WARNING Do not do any electrical installation work during a thunderstorm WARNING Make sure that all external cable entries are fully sealed to prevent entry of ...

Страница 42: ... entry second option 3 Control cable entry 4 MV cable entry 5 Earthing Always construct an earthing electrode for the MVS Always follow the local regulations Follow the minimum requirements for the earthing electrode Minimum cross sectional area 95 mm2 The plates are prepared for 95 mm2 cables Installation depth 500 800 mm from the surface of the soil Installation route around the MVS one meter fr...

Страница 43: ... conductivity between each protective earth terminal and the main PE busbar earth the shields armors and protective conductors of all incoming cables to the appropriate earthing terminals of the station For more information see drawing 3AES PVS 175 MVS 02 DW02 Measuring the insulation resistance of the cabling Make sure that the insulation resistance of the external power cables are measured accor...

Страница 44: ...er type Station type PVS 175 PVS 175 MVS To connect the inverter inputs follow the instructions below 1 Make sure that all cables have the maximum cable size 185 mm2 2 Considering the AC cable sizes and that the cables must be aligned with the fuse bases mark the LV AC lead through holes in the cable cover 3 Remove the cable entry covers 44 Electrical installation ...

Страница 45: ... is established Multicore cabling 3 phase Individual cabling single phase 5 Route the cables inside the AC cabinet 6 Connect the cables to the correct fuse base terminals in the AC cabinet Tighten the connections Note You can connect the fuse base without terminating the LV AC cables Electrical installation 45 11 ...

Страница 46: ...blocks communication board and auxiliary service board Tighten the connections 6 Fill the cable trenches and seal the cable entries See chapter Finalizing the installation page 49 Connecting the power grid cabling to the MV switchgear See the MV switchgear manual and the wiring diagrams that is delivered with the MVS 1 Remove the cable entry covers 2 Lead the cables into the MVS and seal the cable...

Страница 47: ...hapter Finalizing the installation page 49 5 Connect the cables to correct terminals Maximum MV cable sizes depend on the connector dimensions See MV switchgear manual to determine the maximum cable size and configuration see 1YVA000024 and 1YVA000026 Electrical installation 47 11 ...

Страница 48: ...48 ...

Страница 49: ... the equipment WARNING Do not do electrical installation work during a thunderstorm WARNING Make sure that all external cable entries are fully sealed to prevent entry of foreign elements such as animals and insects Finalizing the installation Clean the MVS of all dirt Repair any damages to the paint surface See section Maintenance of painted surfaces page 62 If not yet done seal the cable entries...

Страница 50: ... instructions in section Maintenance of painted surfaces page 62 Make sure that all cable glands at each cable inlet is installed correctly and all the unused cable openings have protection caps Examine the earthing grounding of the MVS and its components and make sure that it obeys the earthing grounding schematic Pull the earthing wires at the terminals to ensure that the connections are tight R...

Страница 51: ...y regulations If ignored physical injury or death or damage to the equipment may occur WARNING Do not do electrical installation work during a thunderstorm Tools needed Voltage detector Insulation resistance meter For more information see section Measuring the insulation resistance of the cabling page 43 Personal protective equipment Prerequisite WARNING Use original silica gel bags only during tr...

Страница 52: ...PS etc Note that the guidelines specified in this section does not replace the instructions given by the product manuals of each component Additional information Task Check that there is no voltage Pre check the MV switchgear Visually examine the gas level of the MV switchgear See MV switchgear manual 1YVA000024 and 1YVA000026 Finalize the installation and start up procedure of the MV switchgear F...

Страница 53: ...ion Run the MV transformer with no load for several hours See MV transformer documentation Check the MV transformer for any malfunctions Observe the temperature listen to audible changes etc Connecting the AC cabinet De energize the MV transformer Also de energize open all other switches disconnectors and breakers of the Auxiliary service board Close the main switch of the Auxiliary service transf...

Страница 54: ...54 ...

Страница 55: ...is permitted to do maintenance work on the MVS Obey the Safety instructions page 9 and follow the local safety regulations If ignored physical injury or death or damage to the equipment may occur WARNING Do not do electrical work during a thunderstorm Tools list Torx drivers Philips screwdrivers PoziDriv Torque wrench Set of wrenches and sockets Cable and wire strippers Crimping tool and cable lug...

Страница 56: ...A4 70 8 8 N m 0 9 M3 2 3 M4 4 5 M5 5 0 8 0 M6 12 20 M8 25 40 M10 40 70 M12 60 110 M14 90 170 M16 120 240 M18 Mechanical connection 1 Torque Bolt and nuts A2 70 A4 70 Quality 8 8 0 85 1 21 M3 0 80 2 78 M4 1 60 5 5 M5 2 80 9 5 M6 6 8 23 M8 14 46 M10 24 79 M12 37 127 M14 56 198 M16 81 283 M18 114 402 M20 1 Not applicable to threaded inserts 56 Maintenance ...

Страница 57: ...ce activities Perform the following inspections at least once in every six months Task Action Check the operating environment surroundings and conditions I Check the availability of spare parts I Check for any dust corrosion etc inside and outside the MVS I Check and clean the inlet and outlet grills filters I Check the sealing of all cable entries to ensure that the IP protection level is maintai...

Страница 58: ...cified in this section does not replace the instructions given by the product manuals of each component Additional information Task Pre check that there are safe conditions before starting any cleaning procedure Cleaning the MVS Use pressurized air to clean the external enclosure floors and gutters Use pressurized air to clean all air inlets and outlets including grills Cleaning the AC Cabinet If ...

Страница 59: ... filter frame Remove the plastic clips and then remove the grid Clean the grill interior with a vacuum cleaner Install the filter support frames and tighten the screws Cleaning the fans Prevent the circuit breaker from turning on acci dentally Turn OFF OPEN the circuit breaker for fan Measure to make sure that it is not energized Disconnect the supply and signal cabling Use compressed air to clean...

Страница 60: ...Replacing component 1 Loosen and remove the external screws of the ventilation grille 60 Maintenance ...

Страница 61: ... Check and clean the ventilation grille with a vacuum cleaner 6 Clean the air filters with compressed air WARNING Make sure that the dust does not enter into the MVS This can cause damage to the equipment Note If required you can replace the air filter and plastic clips 7 Install the air filter into the ventilation grille 8 Close the ventilation grille 9 Tighten the screws Maintenance 61 ...

Страница 62: ...ive sponges 250 ml Degreasing sprays Finissage Impa 1 ud Body shop putties 200 gr Rags or blower 10 ud Disposable gloves Uvex Astrospec 1 ud Safety glasses 2 ud Masks 2 ud Brushes Maper 500 gr Epoxy primer Maper 500 gr Aliphatic polyurethane Painting the damaged surface no visible rust If there is damage s to the paint surface but no damages to the metal surface i e no visible rust then follow the...

Страница 63: ...nc Spray Perfect to ease the work and to get an even surface Maintenance of grounding bars and points Tools Steel wool Ensto SR1 joint compound or equivalent 42839 Würth protective wax or equivalent Procedure 1 Examine the condition of the grounding bar and grounding cables in the MV switchgear area If there is any visible corrosion remove the cables and remove the corrosion with steel wool Apply ...

Страница 64: ...the main circuit breaker of the auxiliary panel 2 Check and make sure that no voltage is connected to the limit switch door and the light lane 3 Loosen the limit switch screws 4 Replace the limit switch and verify the connections and operation For more information refer to the sensor manual 5 Close the circuit breaker and make sure that the door limit switch operates as expected 64 Maintenance ...

Страница 65: ...Technical data Contents of this chapter This chapter contains the technical data of the PVS 175 medium voltage station MVS 9 Technical data 65 ...

Страница 66: ...r MV transformer Vacuum cast coil dry type AF Transformer type 6660 6290 5920 5550 5180 4810 4440 4070 3700 3330 2960 2590 2220 1850 AC power at 30 C in kVA 6300 5950 5600 5250 4900 4550 4200 3850 3500 3150 2800 2450 2100 1750 AC power at 40 C in kVA 800 V Low voltage level 36 kV Medium voltage level range 50 Hz or 60 Hz Rated frequency 2 x 2 5 Tap changer AI AI Winding materi al primary secondary...

Страница 67: ...ary functions Mechanical characteristics 5700 x 2150 x 2500 mm Length Width Height L W H 15 14 14 13 13 12 12 11 11 10 10 10 9 9 Weight approx ton Environmental 25 C 60 C with derating above 40 C Operating temperature range 2000 m Operating altitude range 95 Relative humidity non condens ing IP 54 Environmental protection rat ing C4 C5M optimal Painting corrosion protection Product compliance IEC ...

Страница 68: ...68 ...

Страница 69: ...ject that are delivered with the unit only on request Type Description Drawing code Product Series Single Line Diagram 3AES PVS 175 MVS 01 DW01 Product Series Grounding Layout 3AES PVS 175 MVS 02 DW02 Product Series Dimensional Layout 3AES PVS 175 MVS 30 DW01 Product Series Footprint 3AES PVS 175 MVS 30 DW02 Project Specific Auxiliary Cabinet 3AES PVS 175 MVS 14 DW03 Project Specific if applicable...

Страница 70: ......

Страница 71: ...ting to new abb com power converters inverters solar Product training For information on ABB product training navigate to new abb com service training Providing feedback on ABB Drives manuals Your comments on our manuals are welcome Navigate to new abb com power converters inverters document library Document library on the Internet You can find manuals and other product documents in PDF format on ...

Страница 72: ...www abb com solarinverters 3AES PVS 175 MVS 00 MA01 AA 2019 ABB Spain All Rights Reserved Specifications subject to change without notice 3AES PVS 175 MVS 00 MA01 A Rev A EN EFFECTIVE 2019 05 14 ...

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