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P a g e

OVR-15, 27 & 38 LV cabinet Instruction Manual

4

G

ENERAL

D

ESCRIPTION OF

LV

CABINET OF

OVR-15,

27

&

38

RECLOSER

LV

CABINET ASSEMBLY

Each LV cabinet of OVR-15, 27 & 38 Recloser has intelligent battery charger, capacitors, control modules,
relay and battery with their hard-wired circuits. Please refer the LV GA for the other constructional
details.

C

ONTROL

4.2.1

Low voltage control cabinet (LV cabinet)

A weatherproof, IP55 rated cabinet, houses the low voltage control components. The LV cabinet has an
outer hinged swing door with padlocking provision. The control and protection relay RER615, is mounted
on an inner hinged swing door to allow front and rear access to it. All the MCBs, service/discharge switch
and auxiliary power socket for laptop charging are mounted on the front side of inner swing door for
easy access to operator. Other devices including space for mounting optional radio modem is provided
on the side/rear walls of the cabinet.

The

ﬂ

oor of the LV cabinet is equipped with removable gland plate to provide entry to auxiliary power

cable, communication cables, 50W thermostatically controlled heater is provided to prevent
condensation in the LV cabinet.

Figure-7: LV control cabinet overview

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Содержание OVR-15

Страница 1: ... DISTRIBUTION SOLUTIONS OVR 15 27 38 Outdoor Vacuum Recloser Low Voltage Unit Instruction operation and maintenance manual ...

Страница 2: ...aken to exclude or mitigate such risks This product has been designed to be connected to medium voltage distribution networks It is the sole responsibility of the person or entity responsible for the network administration to ensure a secure connection to the network and take necessary measures to protect the product and the network its system and interface included against any kind of security br...

Страница 3: ... installation 11 4 General Description of LV cabinet of OVR 15 27 38 recloser 14 4 2 1 Low voltage control cabinet LV cabinet 14 4 2 2 Intelligent battery charger 15 4 2 3 Auxiliary supply 15 4 2 4 Actuator Control Module 15 4 2 5 Rechargeable Batteries 16 4 2 6 SERVICE and DISCHARGE modes 17 4 2 7 External Auxiliary Supply Status monitoring 17 4 2 8 RER615 control 17 5 Standard production tests 1...

Страница 4: ...ction Manual 10 Typical rating plate details 31 11 General Arrangement drawings 32 12 Parameters to be maintained as default in RER615 33 13 RER615 Settings 36 14 Annexure I Typical functional characteristics of sealed lead acid batteries 43 ...

Страница 5: ...ure that the standard and legal prescriptions are complied with during installation putting into service and maintenance so that installations according to the rules of good working practice and safety in the workplace are constructed Strictly follow the information given in this instruction manual Ensure that the rated performance of the apparatus is not exceeded during service Ensure that the pe...

Страница 6: ...tions For further information please refer recommended spare part list mentioned in this manual All the installation putting into service running and maintenance operations must be carried out by skilled personnel with in depth knowledge of the apparatus B ENVIRONMENTAL PROTECTION PROGRAM OVR 15 27 38 reclosers LV cabinet recloser is manufactured in accordance with the ISO 14001 Standards Guidelin...

Страница 7: ...unded This manual uses terms ground grounding as per IEEE These are equivalent to IEC terms earth and earthing This manual contains terms and expressions commonly used to describe this kind of equipment These instructions do not attempt to provide the user of this equipment every possible answer to questions which may appear in the application operation and maintenance of the product Detailed desc...

Страница 8: ...onfirm the OPEN status of the recloser from the mechanical ON OFF indicator from SLD on LCD display the indication LEDs on RER615 HMI c Always put the SERVICE DISCHARGE selector switch in the LV cabinet to DISCHARGE position d Follow the safety warning instructions on various warning labels provided on the LV HV units e Remove the control cable from both HV LV cabinets cover the 24 pin male connec...

Страница 9: ...ation that can lead to death or serious personnel injury if not avoided Warning Indicates an immediate risk situation that can lead to death or serious personnel injury if not avoided Caution Indicates a risk situation that can lead to small or moderate damage Note is used when there is a danger that can lead to equipment damage only Important indicates an operation or a suggestion for handling Wa...

Страница 10: ...ls These should be observed when choosing lifting equipment Figure 1 General symbols on packing case DOCUMENTS Documents provided with the LV unit during dispatch Instruction manual Operator s quick reference guide Routine test certificate Drawings Packing list Other documents as mutually agreed in contract with ABB TRANSPORT AND LIFTING The LV cabinet shall be transported in packed condition only...

Страница 11: ...oduct free from defects If damage is noticed call the carrier at once for inspection and request an inspection report Afterwards ﬁle a formal claim with the carrier supported with the Airway Roadway Bill Each delivery on receipt should be checked for Shortages and discrepancies Check against order and delivery documents Any transit damage and material losses Abnormality if any must be notified imm...

Страница 12: ...50 Temperature 20 0 C 10o C The heating elements must be connected to the electric supply to protect the control equipment from corrosion or freezing damage The LV cabinets must be stored in the upright position to avoid moisture accumulation Recommended storage temperature range is 20 Deg C to 40 Deg C The LV control cabinet has rechargeable batteries inside A periodic check of battery voltage 24...

Страница 13: ...brackets The approximate mass in Kg is separately mentioned on rating plates on HV LV cabinets Figure 3 LV Cabinet lifting detail Exercise care during lifting to avoid damage to the poles Do not place the recloser LV unit on an uneven surface Placing the LV unit on an uneven surface may cause tilting galling of the HV unit causing damage to the equipment and injuries to the person nearby Exercise ...

Страница 14: ...er hinged swing door with padlocking provision The control and protection relay RER615 is mounted on an inner hinged swing door to allow front and rear access to it All the MCBs service discharge switch and auxiliary power socket for laptop charging are mounted on the front side of inner swing door for easy access to operator Other devices including space for mounting optional radio modem is provi...

Страница 15: ...ck reference guide for details For the auxiliary supply voltage frequency applicable for your recloser please refer the approved as built drawings MCB is provided inside the cubicle for protection of Intelligent Battery charger cubicle heating illumination and auxiliary power socket outlet The auxiliary power outlet on the inner swing door is only meant for laptop charging in emergency situations ...

Страница 16: ... battery charger and disconnects the power feed to ACM RER615 and optional radio modem This is done to prolong the batteries going into deep discharge mode With relay not being powered the recloser will not be able to perform any operation Due to frequent and long duration external power outages battery frequently undergoes discharge and charge cycles This reduces battery capacity charging efficie...

Страница 17: ...ed to a safe level around 2V Operator should wait until this red LED indication is turned OFF before touching any component inside the LV cabinet In discharge mode protection control are not available for the recloser 4 2 7 External Auxiliary Supply Status monitoring In the event of loss of external auxiliary supply the Intelligent battery Charger sends signal to RER615 relay over an independent b...

Страница 18: ...a g e OVR 15 27 38 LV cabinet Instruction Manual Figure 9 RER615 Display screen and LEDs on front facia Figure 10 RER615 Buttons Keys on front facia Figure 11 RER615 Modules for OVR reclosers configuration D ...

Страница 19: ...ent response and automatic reclosing through primary injection 3 Functional checks of manual controls K69 associated electrical mechanical close block 4 Minimum Trip and Time Current Test 5 No load mechanical operation test A standard routine test report with a summary of results is shipped as a part of documentation package 6 INSTALLATION The OVR 15 27 38 recloser LV unit can be installed in a su...

Страница 20: ...ive electronic circuits RER615 relay ACM radios etc Each LV cabinet includes two stainless steel welded grounding pads for grounding and M8 stud as shown in below figure 80 Sq mm cross section solid copper strip equivalent is recommended for grounding For the proper operation of electronic components it is mandatory that the total impedance of grounding grid at site should be less than one Ohm 1 Ω...

Страница 21: ...s locking clips on both ends for connection to 24 pin connector counterparts on the HV LV cabinets Figure 15 Control cable connection to HV cabinet Figure 16 Control cable connection between HV and LV cabinet 1 Minimum Bending Radius for the control cable is 12 inches Please do not bend the cable with radius at bending less than 12 inches This may damage the cable 2 The control cable has to be cla...

Страница 22: ...tch in the LV cabinet is in DISCHARGE mode Follow instructions on the warning label provided on the inner swing panel door FINAL INSPECTIONS BEFORE ENERGIZING The LV unit should be tested for mechanical and electrical operation before it is energized in the power system It is to be noted that the recloser is shipped in OPEN OFF condition from the factory Do not ground either side of the battery or...

Страница 23: ...cabinet 4 Switch ON the main MCB AUX SUPPLY MAINS on the inner swing door of LV Cabinet 5 With front door of LV cabinet opened the cubicle Illumination lamp if provided controlled by door limit switch should glow 6 The auxiliary power outlet socket also gets powered up 4 To connect Auxiliary Supply to Charging device and ACM Switch ON the MCB dedicated for External charger and AC circuits With aux...

Страница 24: ...for operations Please refer the approved as built wiring diagram for detailed description on RER615 LED indications applicable for your unit 10 CLOSE Operation For closing the recloser Confirm the emergency manual trip K69 handle is reset Confirm the recloser status as OPEN by referring to relay HMI dedicated LED or recloser OPEN symbol of the SLD on LCD screen and the ON OFF position indicator on...

Страница 25: ...with HV unit instruction manual 1 OPEN the recloser with the emergency manual trip K69 handle This enables the mechanical as well as electrical BLOCK CLOSE recloser cannot be closed unless the K69 handle is manually reset 2 Confirm the recloser OPEN status on RER615 relay HMI and on the mechanical ON OFF Indicator on HV cabinet 3 Switch OFF all the MCBs to disconnects AC Aux Power and battery back...

Страница 26: ...ed by the guide rails Figure 19 Removal of RER615 from its case REMOVAL OF BATTERIES Please follow the mandatory safety procedures as mentioned under section 1 0 of this document Below figure describes the steps to be followed when it is required to remove the batteries Before physically removing the batteries from LV unit ensure that the battery MCB is OFF and the battery connections are totally ...

Страница 27: ... device needs to be reprogrammed If LED is not Glowing Charging device is defective Consult ABB representative Check the resistance between NTC NTC for the values in between 8 to 10 k Ohm 35 C Ambient If found open or no values of resistance could be measured temperature sensing cable is defective Consult ABB representative None of the LEDs RED GREEN on ACM glow MCB for ACM is OFF Switch ON the MC...

Страница 28: ...loser terminals Synchronizing and Energization check conditions are not being satisfied as per settings of SECRSYN function block Check the system voltage parameter and network status 5 Battery Failure Battery Status LED on relay HMI turning RED MCB for Battery is OFF Switch ON the MCB for Battery Battery connections to charging device loose or with wrong polarity Check correct and secure battery ...

Страница 29: ...29 P a g e OVR 15 27 38 LV cabinet Instruction Manual 9 GENERAL OVR 15 27 38 BLOCK DIAGRAM DUAL VOLTAGE SENSING ...

Страница 30: ...30 P a g e OVR 15 27 38 LV cabinet Instruction Manual SINGLE SIDE VOLTAGE SENSING ...

Страница 31: ...8kV Rated Current 630 A 1000 A 1200 A Insulation Level 50 110 kV pk 60 125 kV pk 70 170 kV pk Short Circuit Breaking Current 12 5 kA 3sec 12 5 kA 3sec 16 kA 3sec Short circuit withstand current and duration 12 5 kA 3sec 12 5 kA 3sec 16 kA 3sec Short Circuit Making Current Peak 31 25 kA pk 31 25 kA pk 41 6 kA pk Mass Approx LV 70 70 70 HV 140 140 175 Instruction Manual 1VYN401790 021 1VYN401790 049...

Страница 32: ...32 P a g e OVR 15 27 38 LV cabinet Instruction Manual 11 GENERAL ARRANGEMENT DRAWINGS LV CONTROL CABINET GENERAL ARRANGEMENT ...

Страница 33: ...0 10 10 Spring charge time 0 60000 ms 10 20000 20000 20000 20000 Counter initial Val 0 9999 1 0 0 0 0 Alarm Op number 0 9999 1 9999 9500 9500 9500 Lockout Op number 0 9999 1 9999 9999 9999 9999 Current exponent 0 00 2 00 0 01 2 00 2 00 2 00 2 00 Difference Cor time 10 10 ms 1 5 2 2 2 Alm Acc currents Pwr 0 20000 0 01 20000 00 20000 00 20000 00 20000 00 LO Acc currents Pwr 0 20000 0 01 20000 00 200...

Страница 34: ...s 0 3600000 Generic Timers Generic Logic Similarly following settings decide the accuracy of current voltage measurements for the product configuration applicable to your recloser These settings also SHOULD NOT BE CHANGED during the lifetime of the recloser without prior permission from ABB CORRECTION FACTORS ANALOG INPUTS CURRENT Group Parameter Name PC Value Unit Min Max Current 3I CT 1 Current ...

Страница 35: ...t result provided by factory 0 900 1 100 Amplitude corr B 0 900 1 100 Amplitude corr C 0 900 1 100 Division ratio 1000 20000 Voltage input type RVD CVD Sensor Angle corr A 0 deg 20 000 20 000 Angle corr B 0 deg 20 000 20 000 Angle corr C 0 deg 20 000 20 000 Below additional table is applicable for six voltage sensor solution only with additional sensors on H1 side Group Parameter Name PC Value Uni...

Страница 36: ...00 ms 40 200000 ms 40 200000 ms 40 200000 ms 40 200000 ms 40 200000 ms 40 200000 ms PHIPTOC 20 200000 ms 20 200000 ms 20 200000 ms 20 200000 ms 20 200000 ms 20 200000 ms 20 200000 ms 2 Optional Three phase directional overcurrent protection FDPHxPDOC main settings Start Value FDPHLPDOC 0 05 5 00 In 0 05 5 00 In 30 3000A 0 05 5 00 In 30 3000A 0 05 5 00 In 30 3000A DPHHPDOC 0 10 40 00 In 0 10 20 83 ...

Страница 37: ...0 05 15 00 Operate delay time FDEFLPDEF 60 200000 ms 60 200000 ms 60 200000 ms 60 200000 ms 60 200000 ms 60 200000 ms 60 200000 ms DEFHPDEF 40 200000 ms 40 200000 ms 40 200000 ms 40 200000 ms 40 200000 ms 40 200000 ms 40 200000 ms 5 Transient intermittent earth fault protection INTRPTEF main settings Directional mode INTRPTEF 1 Non directional 1 Non directional 1 Non directional 1 Non directional ...

Страница 38: ... 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS Conductance reverse EFPADM 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS Conductance tilt Ang EFPADM 30 30 30 30 30 30 30 30 30 30 30 30 30 30 Susceptance forward EFPADM 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS 500 00 500 00 mS 500 00 ...

Страница 39: ...n 775 24800V 0 05 1 60 Un 1350 43200V 0 05 1 60 Un 1900 60800V Time multiplier PHPTOV 0 05 15 00 0 05 15 00 0 05 15 00 0 05 15 00 0 05 15 00 0 05 15 00 0 05 15 00 Operate delay time PHPTOV 40 300000 ms 40 300000 ms 40 300000 ms for setting max upto24800V 40 300000 ms 40 300000 ms for setting max upto 43200V 40 300000 ms 40 300000 ms for setting max upto 45600V 10 Three phase undervoltage protectio...

Страница 40: ... 200000 ms 120 200000 ms 13 Negative sequence overvoltage protection NSPTOV main settings Start value NSPTOV 0 010 1 000 Un 0 010 1 000 Un 155 15500 0 010 1 000 Un 270 27000V 0 010 1 000 Un 380 38000V Operate delay time NSPTOV 40 120000 ms 40 120000 ms 40 120000 ms 40 120000 ms 40 120000 ms 40 120000 ms 40 120000 ms 14 Residual overvoltage protection ROVPTOV main settings Start value ROVPTOV 0 010...

Страница 41: ...erload T1PTTR main settings Env temperature Set Ambient temperature used when the AmbSens is set to Off T1PTTR 50 100 C 50 100 C 50 100 C 50 100 C 50 100 C 50 100 C 50 100 C Current multiplier Current multiplier when function is used for parallel lines T1PTTR 1 5 1 5 1 5 1 5 1 5 1 5 1 5 Current reference T1PTTR 0 05 4 00 In 0 05 4 00 In 30A 2400A 0 05 4 00 In 30A 2400A 0 05 4 00 In 30A 2400A Tempe...

Страница 42: ...10000 00 Ω 1 0 10000 00 Ω 1 0 10000 00 Ω 1 0 10000 00 Ω 1 0 10000 00 Ω 1 0 10000 00 Ω 1 0 10000 00 Ω Ph leakage Ris SCEFRFLO 20 1000000 Ω 20 1000000 Ω 20 1000000 Ω 20 1000000 Ω 20 1000000 Ω 20 1000000 Ω 20 1000000 Ω Ph capacitive React SCEFRFLO 10 1000000 Ω 10 1000000 Ω 10 1000000 Ω 10 1000000 Ω 10 1000000 Ω 10 1000000 Ω 10 1000000 Ω R1 line section A SCEFRFLO 0 000 1000 000 Ω pu 0 000 1000 000 Ω ...

Страница 43: ...torage temperature has significant impact on the storage period as shown in adjacent graph Hence under circumstances of extended storage of recloser control cabinet it is recommended to charge the batteries typically after every three months Open Circuit Voltage Characteristics When the batteries provided with OVR recloser are in healthy condition the remaining capacity on the battery at different...

Страница 44: ...also reduces useful service life Adjacent graph provides the effect of temperature with on capacity and service life for ready reference It is estimated that battery life is halved for each 10 C 18 F above normal room temperature Service life Every battery will see reduction in AH capacity with increasing service life General characteristic of the battery shows that with usage at 20Deg in 5 years ...

Страница 45: ...com customer service group in abb com ABB US 680 Century Point Suite 1050 Lake Mary Florida 32746 USA Customer Service 1 800 929 7947 Customer Service Group us abb com ABB de México S A de C V Av Central 310 Parque Logístico CP 78395 San Luis Potosí SLP México Tel 52 444 870 8000 ABB Argentina S A U Norberto López 3600 B1805ABT El Jagüel Buenos Aires Aftersales Support ar epdsgarantia abb com Revi...

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