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Backup Power supply for Electrical substations Overview 01/2012
Easergy PS100 Backup Power supply for Electrical substations Overview 01/2012
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Content > Why PS 100 ? > Examples of architectures
> PS 100 Main features and benefits > HMI & lay out > Communication and Monitoring > References & Logistic > Documentation > Conclusions
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Why PS 100 ? The “PS 100” unit supplies back-up operating power for :
MV switchgear electrical mechanism ( motors and coils ) Transmission equipment ( e.g radio ) Protection relays , Fault passage indicators or others IEDs And all others devices in MV/LV substations (LV breakers, PLC concentrator..) The “PS 100” has been designed for supplying power in distributed architectures ( SC110A, Flair 23VD, VIP410, Sepam…) to fit in LV cubicles of SM6, Premset * … * New MV switchgear range (ex- Matrix project) The “PS 100” will offer a new elegant solution in application in current MV/LV substations without RTU ( Remote Terminal Unit) - is integrated in Advan6 wave 3 - in repetitive MV/LV substation with SM6, MH 24+, FBX & RM6 (3 or 4 functions)
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e.g : RM6 or M24,SM6 in MV/LV SS protection transformer power
PS100 VIP410 or Sepam 10 Functions : Transformer Protection, DGPT2, DMCR or thermal protection activating coil tripping of Fuse switch combination or Circuit breaker or IM Switch units wo electrical mechanism Circuit breaker unit with autonomous protection or Sepam Fuse switch Combination unit
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wo electrical mechanism
e.g : SM6 in CIB SS ( in commercial and industrial building) protection transformer power PS100 VIP410 or Sepam 10 Functions : Transformer Protection, DGPT2, DMCR or thermal protection activating coil tripping of Fuse switch combination or Circuit breaker or IM Switch units wo electrical mechanism Circuit breaker unit with autonomous protection or Sepam Fuse switch Combination unit
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(wo Electrical mechanism)
e.g : RM6 or M24+ or SM6 in MV/LV SS Monitoring & protection transformer R200 L500 Third Party PS100 220Vac IEC 101 IEC 104 DNP3 over radio, GSM, GPRS,… RS 485 48Vcc Functions : Coil / Transformer Protection by Fuse switch combination or Circuit breaker Feeder automation - FPI LV monitoring Load management Alarms management 12V IM Switch units (wo Electrical mechanism) Fuse switch Combination or circuit breaker unit
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e.g : Premset or FBX+ RMU in Utilities Full feeder automation in distributed architecture
DMS MDM R200 PS100 F23D SC110A PM800 VIP IEC 101 IEC 104 DNP3 over radio, GSM, GPRS,… Functions : Transformer Protection Feeder automation - FPI - Switchgear control by Switch controller SC110A or SC105 - Sectionalizer - LV monitoring Load management Alarms management PLC connection Smart meters
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High-availability back-up power supply for medium voltage substations
PS 100 Main features High-availability back-up power supply for medium voltage substations Uninterrupted power supply 24 or 48 V dc LV main power supply V ac or 110 V dc 90W W 1mn Uninterrupted power supply 12 Vdc 25 W PS100 Communication devices RTU Modem Radio Charging or supplying Power supply Information 12 Vdc battery
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PS 100 Main features IP 20 / IK 7 Dimensions : 125 x 165 x 160 mm & 2,6 kg Installation on Din rail mounting Battery size : 38 AH 170 x 165 x 197 mm
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PS 100 : HMI & lay out 250 Vac main power supply terminals
Battery & Sector state outputs 2 rotary switches for Modbus address configuration Display AC power supply OFF Battery fault Status of the unit 24 or 48V ON 12V ON Communication life indicator Reset button 2 RJ45 connectors for Data transmission or 48 V Vcc outputs
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Autonomy Autonomy up to 24 hours Depend on
Mainly the permanent Load (PL) the “Energy backup” (Pb) The type of battery (38Ah, 24Ah) Temperature Battery age The non permanent load is estimated to 16 Open&Close cycles of Switchgear. (Ps) I.e : 4 operating Sepam10 (4x8=32 W) allows 12 hours of autonomy PS100 Autonomy
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PS100 supply capacity 3 examples of maximum number of devices for 1 PS100: 1 PS100 supplies up to 2 protection relays or 16 switches With 3 or 4 protection relays, it is recommended to use 2 PS100 with redundancy With an Automatic Transfer Switch device, it is recommended to use a second PS100 for protection relays. For more than 4 Protection relays , PS100 isn’t usable CB with protection relay and motorization Switch with Fault detector and motorization ATS with 2 SW or 2CB 2 4 1 15 8
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Optimized battery backup
Benefits Optimized battery backup Only one battery to simplify the replacement The PS100 needs only one battery, simplifying replacement vs traditional backup power supplies require a set of 2 or 4 batteries to produce 12V or 48V, with complicated replacement and adjustment of the battery pack. Battery can be purchased easily, anywhere in the world : sealed lead 12V battery ,10 years life To prevent power network cuts Enables output voltage backup in case of cuts up to 24 hours PS100 protects and optimizes the battery duration Ensures its charge with a regulated and temperature-compensated charger Checks the battery and prevents the battery deep discharge level Measures battery ageing and alarms before battery end of life
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Benefits High availability
PS100 is robust to the harsh environment of electrical substation Reliability is a key point for Electrical substations : Insulation: 10 kV, °C to +70°C operating temperature... Electronic protection against over voltage, overloads and short circuit Automatic restart after fault Additional “Energy back up” to restart the installation after a prolonged network cut an optional Energy back up can be enabled with a local push button to provide energy for restarting the protection relays and electrical control of MV switchgears at installation restarting. Forecast backup reservation : 300 W - 1mm Modbus communication port forwards monitoring data to allow optimized maintenance operations. A limitation, dedicated for radio units, is set up to avoid the battery deep discharge
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Redundancy to increase availability and power
Benefits Redundancy to increase availability and power Power supply paralleling - more availability - or additional power
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Communication and monitoring
Protocol Modbus RS 485- configuration of Modbus address by means of 2 rotary switches Connector RJ45 2 Data transmission Measuring & status Data with date and time AC supply presence Battery state ( disconnected, failure, available capacity, optional back-up reservation) PS100 Global Status (Ready /internal Fault) 12V & 48V or 24V output failure Threshold Serious discharge, threshold Energy back-up Charge indicator, diagnosis information Reset Settings AC voltage loss threshold , DC serious battery discharge threshold Battery Test frequency Energy Back-up enable / disable Command Restart 12/48 V ( Energy Back-up) Run led test Run battery test Time stamped events 100 events ( clock resolution 1ms )
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References DESIGNATION REFERENCE FEATURE PS100-24V EMS58580
Back-up Power supply - 12V, 24V output PS100-48V EMS58581 Back-up Power supply - 12V, 48V output Bat 24AH EMS58582 Long life battery - 12V - 24A.h Bat38AH EMS58583 Long life battery - 12V - 38A.h
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e.g : integration PS 100 in IP 31 cabinet
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Documentation User guide – Manuel d’utilisation
Leaflet – Notice technique Sales support - Memo vente
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