ELECTRONICS. (An ISO 9001:2015 Cert. Co.) EMCO ELECTRONICS.

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1 ELECTRONICS (An ISO Cert. C.) EMCO ELECTRONICS

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3 ELECTRONICS (An ISO Cert. C.) Ceebrating 40 Years Serving Transfrmer Industry

4 EMCO ELECTRONICS is an ISO certified rganisatin engaged int designing, manufacturing and servicing f wide range f quaity prducts having internatina standards & features fr Eectrica Measurement, Prtectin & Cntr f Pwer Transfrmers ver mre than 3 decades. Emc Eectrnics is as a Gvt. f India recgnized R&D center. EMCO Eectrnics prducts are appreciated in terms f quaity & reiabiity acrss the cuntry & abrad fr many years. EMCO Eectrnics has cmpete range f prducts fr Transfrmer Industry which incudes 1) Transfrmer Mnitring System (Digita RTCC Pane) 2) Autmatic Vtage Reguating Reays (AVRs) with RS-485 Cmm, & IEC61850 Standard 3) Tap Psitin Indicatrs with SCADA cmpatibiity(tpi) 4) Remte Oi & Winding Temperature Indicatr (ROTI/RWTI) 5) Vtage Cntrers fr Serv Stabiisers 6) Parae Cntr Unit (PCU) & Current Transducers 7) Temperature Scanner & Cntrer EE suppies its prducts t many bue chip cients ike ABB, Crmptn Greaves, Vtamp, Tata Pwer, Reiance Infrastructure, Astm, Areva, Schneider Eectric, CTR, BEST, BHEL, Bharat Bijee, Emc Transfrmers, Esennar Transfrmers, TARI, TELK, GE, CESC, Jinda & many mre Transfrmer manufacturers, Eectricity Bards and utiity services in India & abrad. Emc Eectrnics aims t prvide sutins t pwer industry fr Prtectin, Measurement, and cntr f a parameters f Transfrmers. Transfrmer Mnitring System Autmatic Vtage Reguating Reays Tap Psitin Indicatrs / Oi & Wind. Temp. Indicatrs Temperature Scanner and Cntrers / Serv Cntrers

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7 Transfrmer Mnitring System mde EE-101 (Digita RTCC Pane) EMCO Eectrnics Transfrmer Mnitring System EE-101 is designed with high-end features fr cmpete mnitring and cntr f Transfrmer and On Lad Tap Changer. EE-101 is designed in 19 subrack fr Rack munting. 5.1 Graphics dispay with 16 Ns. f keys makes viewing and editing a parameters very easy. Actua status f Transfrmer at any instance can be knwn thrugh Status LEDs. Prgrammabe Inputs and Outputs make the custmizatin f cmpete system a very easy task. Internatina standard Cmmunicatin prtcs ike IEC makes EE-101 a gba prduct. v Mnitring and Cntr f Transfrmer Parameters ike > Vtage > Current > Tap Psitin > Temperature > Paraeing > Life Cnsumptin > Data and Event gging > Lg Backup > Freey prgramabe Binary Input (BR, PRV, Lckut Reay Op. etc) > Freey prgrammabe Binary Output > Freey prgrammabe Anag Input (DGA, H2 etc) > Freey prgrammbe Anag Output > Mdbus Prtc fr Cmmunicatin > IEC61850 Prtc fr Cmmunicatin > IEC61850 Cmpiance tested frm ERDA > Type Tests dne frm NABL certified Lab

8 Transfrmer Mnitring System mde EE-101 (Digita RTCC Pane) 5.1 Large Graphics dispay with 16 frnt keys fr User friendy interface. > Large dispay t mnitr the vaues f mst required parameters in a singe view. > Large 16 Keys divided int 5 Shrtcut keys, 5 Functin Keys and 6 Parametering keys fr user friendy interface and ease f parametering. Status LEDs t indicate varius states f Transfrmer and Cntrer. > LED indicatins fr varius cnditins f Transfrmer ike UV, OV, UC, OC etc > LED indicatins fr varius cnditins f TMS ike Bcked cnditin, Tap pen etc. Mdbus, IEC Prtcs fr Cmmunicatin. > One RS-485 prt r One Ethernet prt avaiabe fr Mdbus r IEC prtcs respectivey n the rear pane. Event recrding and Data gging f a required parameters. > Data Lgging f a imprtant parameters ike Vtage, Current, Tap, Temperature etc with prgrammabe gging time. Prtabe Data Backup thrugh SD Card. > Data Lg and Event Lg backup n SD card in ready t read Exce fie. Direct keys fr Aut/Manua, Lca/Remte, Raise/Lwer and Hme screen. Five Functin keys fr easy editing f Parameters 19 Standard Subrack assemby fr easy instaatin. Pugin type Rear pane Termina bck cnnectrs fr ease f wiring. > Pugin type cmbicn cnnectrs fr easy wiring and instaatin. Prgrammabe Anag Inputs and Outputs. > Tta f 28 freey prgrammabe Anag Inputs and Tta f 16 freey prgrammabe utputs avaiabe. > Dissved Gas Anaysis via 4-20mA Input ike DGA and H2 > Externa Temperature, TPI, Oi Leve etc. can be mnitred via 4-20mA I/P Prgrammabe Binary Inputs and Outputs. > Tta f 32 freey prgrammabe Binary Inputs and Tta f 32 Binary utputs f which 9 freey prgrammbe Binary utputs avaiabe. Parae peratin f Transfrmer using Master/Fwer and Circuating Current Methd. > Independent - Master - Save - Fwer scheme fr parae Transfrmer cntr. > 2 Transfrmers in Master-Save mde. > 10 Transfrmers in Master-Fwer mde. > Circuating Current methd fr Parae cntr f 2 Transfrmers. Life Time cnsumptin f Transfrmer. > Life Time Cnsumptin f Transfrmer cacuatins avaiabe. Predictive mde fr cntring Transfrmer Temperature. Cing cntr with 6 eve settings. > 6 independent reays with individua set pints fr cntring the Temperature f Transfrmer. Vtage cmpensatin using LDC and Z cmpensatin. Lad based and Time based Lad Shedding. Universa Pwer suppy. IEC Cmpiance test passed frm ERDA. Type Tests ike EMI, EMC etc dne frm NABL certified Lab.

9 Autmatic Vtage Reguating Reay EE-301E EE-301E Emc's Sid State Autmatic Vtage Reguating Reay type EE-301E is designed fr maximum peratina simpicity. The bandwidth cntr aws the dead-band t be set in terms f upper and wer vtage imits. The time deay cntr aws the reguatr t respnd ny t vtage fuctuatins asting fr perids greater than the seected time deay. N specia prvisins are required t reset the time deay, which resets autmaticay after the vtage crrectin. Cntr puses are bcked in UV cnditin. Lw cst AVR Digita readut fr PT Suppy and Dead band Settings LED indicatins fr Raise, Lwer presignas, Undervtage and Cntr Reay peratin cnditins Cntinuusy adjustabe Time Deay Setting Autmatic resetting after vtage crrectin Singe puse peratin f cntr reays Undervtage interna bcking UV r Auxiiary Fai Reay ptinay avaiabe 433V Dispay ptinay avaiabe Technica Specificatin Auxiiary Suppy 110/230V AC ±15%, 50Hz, 15VA Cntr Reays A pair f nrmay pen ptentia free PT Suppy 110V AC, 50Hz, 1.5V cntacts f rating 5A at 240V AC r 24V Lwer Setting (LS) Adjustabe between 95V t 125V and DC resistive ad fr each Lwer and readabe n dispay Raise cntr reays Raise Setting (RS) Adjustabe between 90V t 120V and Cntr peratin Singe puse peratin with apprx. 2 sec. readabe n dispay ON Time Time Deay Setting Fixed (Vtage independent) Time Operating Temp. 0 C t 45 C Deay Cntinuusy adjustabe frm 10 Pane Cutut 92 mm (H) x 188 mm (W) t 120 sec. Overa Dimensins 96 mm (H) x 192 mm (W) x 220 mm (D) Time Deay Resetting Instantaneus resetting with vtage Weight 1.5Kgs. apprx. deviatin ccurring in ppsite directin Optin 1. 1 pair f NO cntacts fr UV r Undervtage Bcking Interna bcking at 80V, Restratin at 85V Auxiiary Fai V Dispay V PT input with cntinuus puse

10 Autmatic Vtage Reguating Reay with TPI EE-301ET EE-301ET Emc's Sid State Autmatic Vtage Reguating Reay type EE-301ET is designed fr maximum peratina simpicity. The bandwidth cntr aws the dead-band t be set in terms f upper and wer vtage imits. The time deay cntr aws the reguatr t respnd ny t vtage fuctuatins asting fr perids greater than the seected time deay. N specia prvisins are required t reset the time deay, which resets autmaticay after the vtage crrectin. Cntr puses are bcked in UV cnditin.. In-buit TPI avids the need f separate TPI. It reduces the space, wiring and Time. Separate Pwer suppy with separate Terminas are prvided fr the TPI. v AVR and TPI integrated in singe unit v Digita readut fr PT suppy and Cntr band settings v Saving n Space and Wiring v LED indicatins fr Raise, Lwer, UV and Presignas v Autmatic Detectin f Max Tap v Autmatic resetting after Vtage crrectin v User specified Step Resistance v Singe puse peratin f Cntr Reays v Digita readut fr Tap N. with Adj. Pt v Undervtage Interna Bcking v 433V Dispay avaiabe (ptina) Technica Specificatins Auxiiary Suppy 110/230V AC ± 15%, 50Hz, 10VA UV Bcking Bcking at 80V and restratin at 85V Max. N. f Taps 35 r user specified Cntr Reays One pair f NO ptentia free Step Res. / Tap 1KE r user specified cntacts f 5A at 240V AC r 24V PT Suppy 110V AC, 50Hz, 1.5VA DC fr Raise and Lwer Lwer Setting Adjustabe between 95 t 125 V Cntr Oper. Singe Puse peratin with Raise Setting Adjustabe between 90 t 120 V apprx. 2 secs. ON time. Time Deay Setting Adjustabe between 10 t 120 Sec. Operating Temp. 0 C t 45 C Time Deay Resetting Immediate with vtage returning Overa Dim. 96 x 192 x 220 mm (H x W x D) t Cntr band Pane Cutut 92 x 188 mm (H x W) Weight 2 Kgs. (apprx.)

11 Autmatic Vtage Reguating Reay EE-301M & EE-301T EE-301M EE-301T Emc's sid state Autmatic Vtage Reguating Reays are designed fr maximum peratina simpicity fr reguating the secndary vtage f Pwer Transfrmers with OLTC. The Lwer & Raise settings aw the dead band t be set as per requirement. The time deay cntr aws the reguatr t respnd ny t vtage fuctuatins asting fr perids greater than the set time deay. A pair f NO cntacts is prvided fr peratin f tap-changer after the set time deay is ver. Digita Readut fr PT Suppy and Deadband Setting Autmatic resetting after Vtage crrectin Sid State Circuitry Singe puse peratin f cntr reays Sef Test Faciity Cntr Fai Aarm Cntacts with Interna Bcking (ptina in 301M) LED Indicatrs fr Raise, Lwer pre-signa and Undervtage / Overvtage and Reay peratin cnditin Separate Nmina vaue and Bandwidth settings Cntinuusy adjustabe Time Deay setting Technica Specificatins UV Aarm cntacts with interna Bcking Optina Line Drp Cmpensatin Integrated Tap Psitin Indicatr in AVR EE-301T with ptina 4-20mA utput Auxiiary Suppy 110/230V AC ±15%, 50Hz, 15VA Cntr peratin Singe puse peratin with aprx. 2 sec. PT Suppy 110V AC, 50Hz, 1.5VA and readabe n n time dispay Operating Temp. 0 C - 45 C Nmina Vaue Setting Adjustabe between 110V ±10% and Overa Dimensins 398 x 148 x 261 (HxWxD) mm (NVA) readabe n dispay Pane Cutut 330 x 135 (HxW) mm Lwer Vts Setting Adjustabe between 0.5V t 5V abve Weight 7 Kgs. (apprx.) the NVA and readabe n dispay Raise Vts Setting Adjustabe between 0.5V t 5V bew the Optins 1.Line Drp Cmpensatr with resistive NVA and readabe n dispay and reactive cmpensatin f either Time Deay Setting Fixed (Vtage independent) Time Deay parity upt 20% and suitabe fr adjustabe frm 10 t 120 sec. peratin with 1A, 5VA CT Time Deay Resetting Instantaneus resetting with Vtage 2. Nrmay csed Auxiiary Suppy Fai returning t deadband Reay cntacts Undervtage Bcking Interna Bcking at 80% f reguated 3. User defined settings fr P.T. Suppy, vaue and restratin at 85% Time deay, Undervtage Bcking Cntr Reays One pair f nrmay pen ptentia free 4. Nrmay pen Cntr Fai Reay Aarm cntacts f rating 5A at 240V AC r 24V Cntacts in case f Cntr Faiure DC fr each Lwer, Raise, Cntr Fai (i.e. in case f cntinuus 'L' r 'R' and Undervtage / Overvtage Cnditin fr mre than 15 minutes) cntr reays (ny ne pair f cntacts mA I/P fr setting NVA remtey is avaiabe fr either UV r OV) Additina in EE-301T Buit-in TPI fr maximum 35 Taps, 1K step resistance with ptina 4-20mA O/P Cntr Fai Reay (CFR) ptin avaiabe as Standard Feature Over Vtage bcking at 132V & Restratin at 127V Cmmn UV/OV Reay cntacts fr Bcking

12 Autmatic Vtage Reguating Reay EE-302 EE-302 Emc's Autmatic Vtage Reguating Reay type EE-302 is a mduar Micrcntrer based reay used fr reguating the secndary vtage f Pwer Transfrmers used with On-Lad Tap Changer. The parameter settings are made thrugh the frnt pane keybard. Independent Time Deay settings fr first cntr puse and subsequent puses, aws seectin f cntinuus r puse peratin. Vtage can be dispayed in vts, KV r % deviatin. Lad shedding switch cnnectins are prvided n the rear pane fr reducing the Nmina Vaue by 3, 6 r 9%. Micrcntrer based architecture with A/D cnverter Keybard entry fr parameter settings Linear r Inverse Time respnse Tw independent timers fr first and subsequent puses Singe puse r cntinuus puse peratin Readut f Pri. & Sec. vtages in V, KV and % Deviatin Independent Lwer & Raise settings in % f Nmina vaue Aut / Manua mde f peratin High speed return fr Overvtage cnditin Technica Specificatins Auxiiary Suppy 110/230V AC ±15%, 50Hz, 15VA PT Suppy 110V AC, 50Hz, 1.5VA Nmina Setting (NS) 85 t 140V in steps f 0.1 V Lwer Setting (LS) +0.5 t +9% f NS in steps f 0.1% Raise Setting (RS) -0.5 t -9% f NS in steps f 0.1% Time deay (T1) betn. 10 t 180 sec, Linear r Inverse deviatin & 1st puse respnse Time deay (T2) betn. 0 t 11 sec, where 0 is cntinuus cnsecutive puse peratin; 11 - T2 = T1 UV Bcking 60 t 95% f NS in steps f 0.1% OV detectin 105 t 130% f NS in steps f 0.1% with high speed return (2 sec ON / 2 sec OFF Cntr puse) Primary Vtage (KV) KV crrespnding t NS in steps f 0.1KV Cntr Fai Deay 5 minutes fixed internay Lad shedding Nmina vaue reduced in steps f 3%, 6%, r 9% thrugh externa switch Cntr Reays One pair f NO cntacts f rating 5A at 240V AC r 24V DC resistive ad fr each Lwer, Raise, Cntr Fai, Undervtage & Overvtage Reays Cntr peratin Cntr puse with apprx. 2 sec. ON time Pane Cutut 268 x 125 x (HxW) mm Overa Dimensins 268 x 165 x 340 (HxWxD) mm Operating Temp. 0 C - 45 C Weight 5Kgs. (apprx.) Optins 1.Line Drp Cmpensatr with resistive and reactive cmpensatin f either parity upt 20% and suitabe fr peratin with 1A, 5VA CT 2.Nrmay csed Auxiiary Suppy Fai Reay cntacts 3.Buit-in Tap Psitin Indicatr upt maximum 35 Taps with 1K E step resistance 4.Overcurrent 150% f rated current with a pair f NO cntacts

13 AVR EE-303 & EE-303C with IEC r MODBUS (Mdbus + IEC-61850) (Cmmunicatin + LDC) Emc Eectrnics AVR EE-303C cmes with Industry standard prtc ike IEC It is a Micrcntrer based Reay used fr reguating the secndary vtage f Pwer Transfrmer using OLTC. Independent time deays can be set fr first cntr puse & subsequent puses. Buit-in TPI dispays Tap n. f Pwer Transfrmer. In Manua mde, Tap Raise/Lwer puses can be given thrugh the frnt pane switches. Test mde fr sef test f AVR, AVR Remte disabe faciity, Min, Max Vtage and Tap change cunt memry strage is avaiabe. RS-232 and RS-485 (MODBUS) cmmunicatin faciity is avaiabe ine-303c. As Line Drp cmpensatin is avaiabe in this mde. Micrcntrer based architecture with A/D cnverter Buit-in Tap Psitin Indicatr up t 35 Taps Readut f Pri. & Sec. vtages and Tap N Tw independent timers fr first and subsequent puses Independent Lwer, Raise & Nmina vaue settings Linear r Inverse Time respnse Tap Change in Prgress indicatin Bcking fr UV, OV, CF & Max / Min Tap N. Aut / Manua mde f peratin Test mde fr testing AVR Minimum & Maximum PT Vtage & Tap Cunter dispay Singe puse r cntinuus puse peratin RS232 & MODBUS Cmmunicatin (in EE-303C) Remtey disabing f AVR Technica Specificatins Auxiiary Suppy PT Suppy Nmina Setting (NS) Lwer Setting (LS) Raise Setting (RS) UV Bcking OV Bcking Primary Vtage (KV) Time deay (T1) betn. deviatin & 1st puse Time deay (T2) betn. cnsecutive puse Cntr Fai Deay Aut / Manua Mde (A/M) Test mde 110/230V AC ±15%, 50Hz, 15VA 110V AC, 50Hz, 1.5VA 85 t 140V in steps f 0.1 V +0.5 t +9% f NS in steps f 0.1% -0.5 t -9% f NS in steps f 0.1% 60 t 95% f NS in steps f 0.1% 105 t 130% f NS in steps f 0.1% KV crrespnding t NS in steps f 0.1KV 10 t 180 sec, Linear r Inverse Respnse 0 t 11 sec, where 0 is cntinuus peratin; 11 - T2 = T1 300 t 900 sec. in steps f 0.1 sec. Seects Aut r Manua mde f Operatin Aws AVR t be tested fr a cnditins thrugh indicatin by LEDs. Reay cntacts are bcked during TEST mde Maximum Tap N. AVR Disabe (Remte Operatin) Tap Change in Prgress TPI Input Reay Outputs Cntr Puse Cntact Rating Operating Temp. Pane Cutut Overa size Weight Optins 1 t 35 with 1KE/user defined step resistance I/P thrugh ptentia free NO cntact at remte end I/P thrugh ptentia free NO cntact frm OLTC 1K step resistr chanin (35 Taps max.) 1 pair f NO cntacts fr Raise, Lwer, UV, OV & CF 1 pair f NC cntacts fr Manua mde 2 secnds ON time 240V AC r 24V DC 0 C t 45 C 92 mm (H) x 188 mm (W) 96 x 192 x 220 mm (H x W x D) 3Kgs apprx. 1. Auxiiary Fai Reay (NO Cntacts) mA TPI Output fr SCADA 3. Line Drp Cmpensatin (LDC) Additina features in EE-303C Cmmunicatin 1. IEC Cmmunicatin Prtc. r 2. 1 RS-232 prt fr Parameter Setting with cmputer sftware 3. 1 RS-485 prt fr MODBUS Cmmunicatin Readabe Parameters PT, KV, MIN, MAX, TAP N., TAP Cunt Prgrammabe Parameters NOM Vg, L Set (%), R Set (%), KV, UV (%), OV (%), T1 (S), T2 (S), CFR (S), Max. Tap, Oper. Mde (A/M), Timer Mde (L/I).

14 Tap Psitin Indicatr EE-601, EE-601W & EE-601S EE-601 EE-601W EE-601S EMCO's Tap Psitin Indicatrs are used t indicate the Tap psitin f the Pwer Transfrmer with On Lad Tap-Changer (OLTC). The 3 wires cming frm the OLTC (Min, Wiper, Max) are cnnected t the TPI ang with the Auxiiary Suppy. In case ny 2 wires are avaiabe, shrt Wiper and Max terminas. As the tap f the Pwer Transfrmer changes, the dispay is updated. When the wiper is pen the dispay indicates zer. Micrcntrer based architechture 2 digit, 7-seg LED, bright dispay Ptentimeter prvisin fr trimming t cmpensate the ead resistance Autmatic detectin f Max. Tap Rbust & Rugged design Pane munting with standard cutut (except 601W) Test mde fr checking dispays (except 601W) Technica Specificatins Max. N. f tap psitins Step Resistance/Tap Dispay Test mde Auxiiary Suppy Overa Dimensins Pane Cutut Dimensins Depth Operating temperature Weight Optins 35 Taps 1K E ± 1% r user defined 2 Digit 7 segment LED Dispay indicates 88 (EE-601 ny) V AC/DC, 5VA 96 x 96 x 132 mm (Fr EE-601), 96 x 48 x 132 mm (Fr EE-601S) 100 x 100 x 100 mm (Fr EE-601W) 92 x 92 mm (Fr EE-601), 92 x 46 mm (Fr EE-601S) 35mm Vertica Din-Rai / Wa Munting (Fr EE-601W) 110 mm (EE-601, EE-601S) & 95mm fr EE-601W 0 C - 45 C 0.5 Kg. apprx. 1) 4-20 ma utput fr SCADA (nt avaiabe in EE-601). 2) 4-20 ma input instead f 3 wires resistance chain.

15 TPI with BCD O/P TPI EE-611 TPI t BCD Transducer EE-611BT EMCO's TPIs are used t indicate the Tap psitin f the Pwer Transfrmer with OLTC. The 3 wires cming frm the OLTC (Min, Wiper, Max) are cnnected t the TPI. As the Tap f the Transfrmer changes, the dispay is updated. Micrcntrer based architechture Ptentia free, 2 digit BCD O/P cntacts 2 digit dispay fr TPI (EE-611 ny) Aut. Max. Tap detectin fr 4-20 utput Ptentimeter fr Tap adjustment 35 mm Din-rai / Wa Munting Dua 4-20mA O/P (ptina) EE-611 EE-611BT Technica Specificatins Max. N. f Taps 35 Taps. Step Resistance 1KE ± 1% r user defined. 2 Digit 7 seg. LED fr TPI EE-611. Dispay BCD O/P 2 digit Ptentia free NO cntacts (4 + 2 Reays fr Dig 1 + Dig 2 resp.) Auxiiary Suppy V AC/DC, 5 VA. Munting Overa Dim. Operating temp. Weight Optins 35mm Din-Rai / Wa Munting. 100 x 100 x 100 mm (H x W x D). 00C- 450C. 0.5 Kg. apprx. 1) Dua 4-20 ma utput. 2) 4-20 ma input. Tap Psitin Indicatr EE-607 & EE-601G EE-607 EE-601G EMCO's Tap Psitin Indicatr Type EE-607 / EE-601G is used t indicate the tap psitin f the Pwer Transfrmer. 6 digit BCD / Gray cde ang with Grund as Cmmn as marked n the rear pane A1 (LSB) t A5 (MSB fr Gray cde type) r A6 (MSB fr BCD Cde type) is cnnected t the input f TPI. The crrespnding tap n. is indcated n the dispay. Micrcntrer based architechture 6 digit BCD Cde Input with Cm (EE-607) 5 digit Gray Cde Input with Cm (EE-601G) 95 t 260 V AC/DC Universa Pwer Suppy Sma size, saves space n pane Bright and cear 7-segment dispays Technica Specificatins Max. N. f tap psitins Dispay Auxiiary Suppy Overa Dimensins Pane Cutut Dimensins Depth Operating temperature Weight 33 fr EE-607, 17 fr EE-607 with 4-20mA O/P and 21 fr EE-601G 7 segment LED 110 / 230 V AC ± 10%, 50 Hz, 5VA 96 x 48 x 132 mm (H x W x D) fr EE-607 and EE-601G, 96 x 96 x 132mm (H x W x D) fr EE-607 with 4-20mA Output ptin. 92 x 46 mm (W x H) fr EE-607 & EE-601G and 92 x 92 (W x H) fr EE-607 with 4-20mA O/P. 110 mm 0 C - 45 C 0.5 Kg. apprx.

16 Tap Psitin Indicatr TPI EE-610 TPI Standard TPI with Dua 4-20mA Output TPI with Tap Change Cunter TPI with Cunter & Aarm TPI with KV Vtage Dispay TPI with Cunter, Vg. Dis. & 485 Cmmunicatin EMCO's Tap Psitin Indicatrs are used t indicate the Tap psitin f the Pwer Transfrmer with OLTC. The 3 wires cming frm the OLTC (Min, Wiper, Max) are cnnected t the TPI. As the Tap f the Transfrmer changes, the dispay is updated. Micrcntrer based cmpact design Autmatic Max. Tap detectin and 4-20mA O/P adjustment Dua 4-20mA Output User prgrammabe deay Digita caibratin f 4-20mA Output Tap change cunter (ptina) Aarm reay at predefined cunt (ptina) HV side KV dispay (ptina) RS-485 MODBUS Cmmunicatin (ptina) 4-20mA r 0-20mA Input (ptina) Technica Specificatins Max. N. f tap psitins 35 Taps r user specified Step Resistance/Tap 1K E ± 1% r user defined Current Output Dua 4-20mA Current Output Dispay 2 Digit 7 segment LED (add. 6 digits in Cunter r Vtage dispay unit & add. 12 digits in A ptins unit) Auxiiary Suppy V AC/DC, 5VA Overa Dimensins 96 x 96 x 132 mm (H x W x D) Pane Cutut Dimensins 92 x 92 mm Type Tests EMI/EMC Type tested frm NABL accredited Lab. Op. temp. Weight Optins C- 45 C 0.5 Kg. apprx. 1) Tap change Cunter. 2) Tap change Cunter with Aarm cntact 3) HV side KV Vtage dispay. 4) RS-485 MODBUS Cmmunicatin. 4) A Optin incudes TPI + Tap Change cunter + KV Dispay + Cmmunicatin. Nte Aarm cntact is nt avaiabe in A Optin. 5) 4-20 ma input instead f 3 wires resistance chain. 6) Dua chain I/P with seectin.

17 Remte Temperature Indicatr EE-602 EE-602 ROTI RWTI EMCO's ROTI / RWTI EE-602 are remte temperature indicatrs which indicate temperature prprtina t resistance input. The temperature is indicated n a 3 digit 7 segment LED dispay. The 3 wires viz Min., Max., and Cm. cming frm 440E r 2K8 pt within the main anag type OTI / WTI are cnnected t Min., Max. and Cm. Terminas n the unit as indicated n the rear pane. Test / Nrma switch is used fr testing the dispay. Micrcntrer based circuitry 3 digit 7-segment dispay Standard pane cutut Fu scae adjustment faciity Universa Pwer Suppy 4-20mA utput r input (ptina) Technica Specificatins Input Resistance 0 t 440 / 2.8KE ± 1% r as specified Temperature Range 0 C t 150 C Accuracy ± 2 C Dispay 3 digit 7 segment LED dispay Auxiiary Suppy V AC/DC, 5VA Dimensins 96 x 96 x 132 mm (H x W X D) Pane Cutut 92 x 92 mm (H x W) Operating Temp. 0 C t 45 C Weight 0.5Kg. apprx. Optins 1) PT-100 Sensr Input 2) 4-20mA input 3) 4-20mA utput fr SCADA Transmitter EE-701 EMCO's Transmitter is used fr transmitting Tap Psitin number r Oi / Winding temperature via 4-20 ma utput. The cnnectins frm the minimum, maximum and wiper psitins cming frm the Tap-changer r OTI / WTI are cnnected t the respective Min, Max and Wiper terminas marked n the Transmitter.Universa Pwer Suppy (95V t 260V AC/DC) is cnnected t the terminas marked n the Transmitter.When the unit is pwered n, user can get the DC current utput f 4-20mA crrespnding t the tap number r Oi / Winding Temperature with ad impedance f 100 hms. The maximum Tap r Temperature vaue crrespnds t 20 ma and the minimum Tap r Temperature vaue crrespnds t 4 ma. Transmitter EE-701 cnsists f dua 4-20 ma current utputs ma utput fr SCADA. Din rai / wa munting. Universa Pwer suppy Technica Specificatins EE-701 Cmpact & ight weight 3 Termina input frm OLTC r frm OTI / WTI Max. N. f tap psitins I/P Step resistance / tap (TPI) Resistance I/P (ROTI/RWTI) Output 35 Taps r user specified. 1KE ± 1% r user specified. 0 t 440E / 2.8KE 4-20mA dc (4mA crrespnds t Min vaue & 20mA crrespnds t max vaue) Pwer Cnsumptin V AC/DC, 5VA Overa Dim. 100 x 100 x 100 mm (HxWxD) Munting 35mm Din rai munting Operating temperature 0 C - 45 C Weight 0.5 Kg. apprx.

18 Transfrmer Temperature Mnitr & Cntrer EE-802 EE-802 EMCO s Oi and Winding Temperature Cntrer EE-802 is a cmbined Oi and Winding Temperature Indicatr cum Cntrer that repaces traditina Anag type Oi and Winding Temperature Cntrer in the Marshaing bx. It saves n bth Cst and Space since it has bth OTI and WTI integrated in ne unit. It as requires much ess effrts in wiring. It accepts PT-100 Sensr fr OTI and 5A Current fr WTI as inputs. OTI indicates the actua i temperature whereas WTI indicates simuated temperature based n Oi temperature and gradient as per the current thrugh C.T. It prvides 4 reays fr cntring Fan, Cer 1, Cer 2 and Trip with individua set pints fr each OTI and WTI. It as prvides dua 4-20mA utputs fr OTI and WTI each. These utputs can be used fr Remte indicatin and SCADA cnnectivity. Micrcntrer based circuit Integrated Oi and Winding Temperature Cntrer Digita readut f Oi and Winding Temperature Repaces Anag type Cntrers 4 set pints viz Aarm, Cer 1, Cer 2 and Trip fr Oi and Winding each Dua 4-20mA Output fr Oi and Winding each Prgrammabe C.T. Current and Gradient Temp. fr Winding Maximum Temperature recrding and reset Highy accurate and reiabe Rigid and Sturdy design Technica Specificatins Aux. Suppy V AC/ DC, 10 VA Max. Current 6 A ( max) Dispay Dua 4 digit, 7- seg. LED Temp. Grad. 75 C ( max) Temp. Range 0 C t 150 C Deay 0 t 60 Secs. Resutin 0.1 C Hysterisis 0 t 20 C Accuracy ± 2 C Set Pints & 0 C t 150 C settabe fr Fan Inputs PT-100 Sensr & C. T. Ctr. Reays Cer 1, Cer 2, Trip Outputs Dua 4-20 ma fr OTI Cntact Rating V AC / 24 V DC & WTI each. Encsure Prjectin type, Metaic Cntr 4 Cntr Reays with Overa size 265 x 215 x 110 mm ± 5 ( W x H x D) individua setpints Munting 235 ± 5 x 150 ± 5 mm ( W x H)

19 TESCON Temperature Scanner and Cntrer EE-803 EE-803 EMCO's Transfrmer Temperature Scanner and Cntrer Type EE-803 is used fr mnitring and cntring the Temperature f Transfrmers. It has 4/8 N. f Input Channes that are isated frm each ther and can be used with different types f sensrs ike RTD PT-100 and Thermcupes f K,J,R & S types. There are 4 Cntr Reays with individua Set pints. A the parameters are adjustabe thrugh frnt keys. Mdbus prtc is avaiabe fr cmmunicatin. Dua 4-20mA Outputs are avaiabe fr retransmissin. Scan / Hd mde f peratin is prvided fr easy mnitring f particuar channe. 4/8 channe, Micrcntrer based Temperature indicatr and cntrer Universa type Input Channes. Input Sensr seectin, Range seectin. Ch. Skip/Hd with Aut/Man scanning Adjustabe Scan Time Sensr I/P and 4-20mA O/P Caibratin Scan / Hd mde f dispay RS-485 Mdbus Prtc Prgrammabe parameters thrugh keys 4 Reay utputs with channe gruping Dua 4-20mA Outputs Technica Specificatins Max. N. f Channes 4/8 Input Channe with Channe skip. Sensr Type PT-100, Thermcupe J,K,R,S with seectin via keys. Temperature Range RTD PT C t 400 C (seectabe) Themcupe J type 0 C t 750 C Themcupe K type 0 C t 1350 C Themcupe R,S type 0 C t 1750 C Resutin RTD PT C r 0.1 C Themcupe K,J,R,S type 1 C Accuracy Better than ± 1% f Fu Scae Cmpensatin Aut. Cd Junctin Cmpensatin Scan Mde Aut r Manua mde f Scanning Adjustabe Time Deay Seectabe Scan and Lg Time Dispay 2 dig. fr Ch. N. and 4 dig. fr Vaue LED Indicatins 4/8 Ns. fr Ch. Faut and 4 ns. fr Reay status N. f Reays 4 Reays with Reay gruping RTC RTC with Battery Backup Cmmunicatin RS-485 with Mdbus RTU Prtc Anag Output 2 Ns. f 4-20mA Output fr any ch. with 2 pint caibratin. Input/Output Terminas I/P ter. 1.5 sq. mm wire (meta type) & 2.5 wire (pastic type) and O/P ter. 2.5 sq. mm wire Auxiiary Suppy V AC/DC, 15VA Overa Dim. (Meta) 265 x 215 x 110 ± 5 mm ( W x H x D) Overa Dim. (Pastic) 96 x 96 x 175 ± 2 mm ( W x H x D) Munting Dim. (Meta) Wa munting by 3 Ns. M6 Screws 235 ± 5 x 150 ± 5 mm ( W x H) Pane Cutut (Pastic) 92 x 92 mm (W x H) Operating Temperature 0 C - 45 C. Encsure (Meta) IP55 tested MS pwder cated. Encsure (Pastic) ABS materia standard encsure. sq. mm.

20 Vtage Cntrer fr Serv Stabiizer EE-401 EE-402 The Vtage Cntrer Cntr Unit (VCCU) senses the utput vtage f the Vtage Stabiizer (230 V AC) and cntrs it within the set imits. There are tw independent "Raise" / "Lwer" Vtage settings. When the utput vtage ges utside the set imits the utput "Raise" / "Lwer" Puse is given after the set deay is ver. LED indicatin is prvided t indicate the cntr actin and a pair f NO cntacts fr Raise/Lwer cses depending n whether the vtage has t be Raised r Lwered. Prvisin fr setting Undervtage (UV) and Overvtage (OV) imits is as avaiabe. A pair f C/O cntacts is prvided fr UV & OV. A hysteresis f apprximatey 1V is prvided fr Raise & Lwer & 5V fr UV & OV. Independent Raise/Lwer settings. Variabe Time Deay settings.. Independent Undervtage & Overvtage settings fr cut ff. LED Indicatin fr Raise, Lwer, UV, OV & Time Deay Operatins. Prjectin / Wa Munting. Technica Specificatins Auxiiary Suppy 230V AC ±10%, 50Hz, 5VA Raise Setting Adjustabe frm 200V t 250V Lwer Setting Adjustabe frm 200V t 250V Undervtage Setting Adjustabe frm 180V t 230V Overvtage Setting Adjustabe frm 220V t 260V Time Deay Setting Adjustabe frm 0.1 t 2.5sec Output Cntacts 1 pair f (NO) cntacts each fr Raise & Lwer with 5A@ 240VAC r 24VDC cntact rating. 1 pair f C/O cntacts fr UV & OV with same rating Operating Temperature 0 C t 45 C Overa Size 96mm X 96mm X 132mm (H X W X D) Munting 122 x 62 (H x W) (Wa munting) Weight 2Kg (apprx.)

21 Parae Cntr Unit EE-501 The Parae Cntr Unit (PCU) is used fr cntring 2 Transfrmers in parae. Raise & Lwer cntacts frm AVR1 & AVR2 are cnnected t PCU, and the utputs frm PCU are cnnected t OLTC1 & OLTC2. Switches n the frnt pane aws seecting AVR1 r AVR2 as master & the ther as fwer, r bth as masters (independent). Seecting bth AVRs as fwer wi bck the PCU. In the Manua mde f peratin, PCU is bcked i.e. n utput puses are given. Externa A/M switch (NO cntacts) are sensed fr determining Aut / Manua mde f peratin. Tap number f bth Transfrmers are dispayed n PCU. In Master - Fwer mde the tap n. f Fwer is made equa t the tap n. f Master. If the Tap ns. f bth the Transfrmers are unequa fr mre then 5 mins, ut f step indicatin is given & a pair f NO cntacts cses. In this cnditin, bth the OLTCs are bcked Micrcntrer based circuit Buit-in Tap Psitin Indicatrs fr bth Transfrmers 4-20mA utput fr bth Tap Psitin Indicatrs Seectabe deay between Master and Fwer puses Switch seectabe mde f peratin (Master / Fwer) Out f step indicatin and bcking Bus Cuper csure indicatin Minimum / Maximum Tap bcking Manua mde indicatin EE-501 Technica Specificatins Auxiiary Suppy 110/230V AC ±10%, 50Hz, 15VA Maximum Tap N. 21 (r as specified) Time deay between Settabe between 10 t 150 secs Master & Fwer Puse Mdes f Operatin Seected thrugh Frnt Pane Switches $$ - Independent AVRs - AVR1 Master, AVR2 Fwer - AVR1 Fwer, AVR2 Master - PCU Bcked Overa Size 96mm X 192mm X 220mm (H X W X D) Pane Cutut 92mm X188mm (H X W) Weight 2Kg (apprx.) Inputs Aut / Manua Raise & Lwer Input Puses Tap Psitin Indicatrs Bus Cuper Input Externa (NO) ptentia free cntacts (NO) ptentia free cntacts frm AVR1 & AVR2 Max, Wiper & Min wires frm bth OLTCs (NO) ptentia free cntacts frm Bus Cuper Outputs Raise / Lwer Puses 2 sec ON-Time puse with LED indicatin fr bth Transfrmers Out f Step cnditin LED indicatin with 1 pair f (NO) cntacts Bus Cuper Output A pair f (NO) cntacts fr indicating Bus Cuper Csure 4-20 ma utputs fr TPIs 4-20 ma DC utput fr bth TPIs

22 Tap Changer Cntrer EE-901 Emc Eectrnics Tap Changer Cntrer EE-901 is integrated AVR and TPI with direct OLTC Mtr drive. It accepts singe phase r Three phase as PT Input fr Vtage Reguatin and accepts ptentia free cntact fr each Tap fr detectin instead f Resistive 3-wire input. 3-Phase input with setabe Nmina setting. On the utput side, it prvides BCD utput fr each Tap with individua ptentia free cntact fr each Tap. LR and RR cntacts fr driving the OLTC mtr directy withut cntactr. Aut/Manua and Remte/Lca mde f peratin and many ther features t make the cmpete system fuy user friendy and custmizabe t ne s need. Micrcntrer based architecture Direct OLTC mtr drive withut cntactr Singe phase r 3 phase PT Input PT and Tap N. readut n dispay In-buit Tap Cunter fr N. f Tap change mnitring Ptentia free cntact avaiabe fr each Tap BCD utput avaiabe fr each Tap Aut/Manua mde f peratin Lca/Remte mde f peratin 4-20mA Output fr Tap N. avaiabe Technica Specificatins Auxiiary Suppy PT Input Set Vtage Cntr Band Deay UV Bcking UV Restratin OV Bcking OV Restratin Max Tap Tap Cunter Limit indicatrs V AC/DC, 15VA (1Ø) / V AC/DC, 15VA (3Ø) 0-500V 85 t 460V ±0.5% t 9% 5 Secs t 180 Secs 70% f Set Vtage 75% f Set Vtage 110% f Set Vtage 109% f Set Vtage 1-9 Taps upt (Nt resetabe with test cunt) Min and Max indicatins fr TPI Cmmand Reays TPI Reays TPI BCD Reays Retransmissin O/P Remte Input Operating mdes Cnnectrs Operating Temp. Overa Size Pane Cutut Weight LR and RR Reays drive mtr directy Ptentia free cntact utput fr each Tap 4 Reays fr BCD utput fr TPI 4-20mA Output fr TPI LR, RR and Stp cmmand thrugh remte ptentia free cntacts Aut r Manua mde 19 cre cabe with rund cnnectr frm OLTC fr TPI and Raise and Lwer cmmand 0 t 50 deg. C 220 x 105 x 242 mm (W x H x D) 210 x 96 mm (W x H) 2Kgs. apprx.

23 Few f ur Esteemed Custmers... & many mre... EXPORTS & many mre...

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28 EMCO ELECTRONICS Head Office 302, Vasan Udyg Bhavan, Senapati Bapat Marg, Opp. Phenix Mi, Lwer Pare (W), Mumbai Te / Fax Emai ffice@emceectrnics.rg Factry Suth Office Unit n. 13, Kedarnath, Tungareshwar Industria Cmpex N. 1, Viage Sativai, Vasai (E), Dist. Paghar Te / 1804 / 0114 Fax Emai mumbai@emceectrnics.rg, saes.emceectrnics@gmai.cm 15, Wd Street, (1st Fr), Richmnd Rad, Bangare Te Fax Emai emcbr@emceectrnics.rg, emcsaesbangare@gmai.cm