EMCO ELECTRONICS EMCO ELECTRONICS Welcomes You Welcomes You - PowerPoint PPT Presentation

EMCO ELECTRONICS EMCO ELECTRONICS Welcomes You Welcomes You

Company Company Emco Electronics established in 1973 initially as an R&D outfit progressively grew into a full fledged manufacturing and marketing organisation. It started off by manufacturing Test Measurement & Control devices & Instruments which activity has today become our company’s CORE COMPETENCY. In fact, the CORE strength accumulated by the company over last so many years has enabled EMCO ELECTRONICS to enter into new lines of business like agency activity & establishment of PCB’s Test & Repair Center. Emco Electronics is an ISO 9001:2008 certified Company. The Factory is located at Vasai (Thane Dist.) with Head Office at Lower Parel (Mumbai). A Branch office at Bangalore enhances sales & service support to the Southern Region.

Present Activities Present Activities Manufacturing PCB Repairs Marketing

Manufacturing Manufacturing The Company manufactures products for the Transformer Industry like ! Automatic Voltage Regulating Relays (AVRs) : for controlling voltage of power transformers ! Tap Position Indicators (TPIs) : for indicating the current Tap position of the Power Transformer ! Remote Oil/Winding Temperature Indicators ( ROTI/RWTI) : for indicating Oil/Winding temperature of Transformer on Remote Panel ! Parallel Control Unit (PCU) : for controlling 2 Transformers in Parallel ! Voltage Controller Control Unit (VCCU) : for Servo Voltage Stabilizers ! Transmitters : for transmitting Tap No./OTI/WTI temperature in terms of 4-20 mA output for remote SCADA display ! Transformer Temperature Controller (TTC) : for Dry type Transformers ! Current Converter Unit with Repeater

PCB Repairs PCB Repairs PCB Test & Repair Centre, located in the heart of Bombay City ( Lower Parel ) can today be claimed as one of India's best equipped and modern Hi-tech DIAGNOSTIC & REPAIR Centres of it's kind. The centre , well equipped in terms of qualified personnel & sophisticated ATEs (Automated Test Equipment) from world's best manufacturers is today ready to take any kind of challenge to repair the most complex PCBs. We specialize in repairs of PCBs of Analytical Instruments, like Gas Chromatographs, Spectrophotometers, HPLCs, .. etc. We are one of the regular vendors for repairing PCBs of Defense Equipments.

R&D Center R&D Center ! R&D Center is recognized by the Dept. of Science & Technology of Govt. of India since 1974 ! All the products manufactured at Emco Electronics are developed in-house and meet the Quality Standards as required by the Customers

Quality Policy Quality Policy Quality at EMCO ELECTRONICS means every individual needs to correctly understand Customer Requirements, both for Internal and External Customers, for ensuring Total Customer Satisfaction at an Optimum Cost, through Continual Improvement

ISO Certificate ISO Certificate EMCO ELECTRONICS an ISO 9001:2008 Certified Company

Products Products

AUTOMATIC VOLTAGE REGULATING AUTOMATIC VOLTAGE REGULATING RELAYS RELAYS ! EE301-M : Regular Model ! EE301-T : Integrated Model with Built-in TPI ! EE302 : Microcontroller based Model ! EE303 : Microcontroller based Model with TPI ! EE301-E : Economy Model

Block Diagram of AVR Block Diagram of AVR

AVR EE 301- -E E AVR EE 301 ! Digital Readout for PT Supply and Dead-Band Settings ! LED Indicators for Raise, Lower Pre-Signals and Undervoltage and Relay Operation Condition ! Continuously adjustable Time Delay Setting ! Automatic Resetting after voltage correction ! Single Pulse or Continuous pulse Operation of Control Relays ! Undervoltage Internal Blocking

1 2 3 4 5 6 7 C o Aux I/P PT I/P R L UV m 1 2 3 4 5 6 7 8 9 EE-301E Wiring Diagram

AVR EE 301- -M M AVR EE 301 ! Modular Design ! Separate Nominal Value and Bandwidth Settings ! Continuously adjustable Time Delay setting ! Undervoltage Alarm contacts with Internal Blocking ! Test mode for testing AVR on Panel ! Options : – Line Drop Compensation – Normally Closed Auxiliary Supply fail Relay Contacts – Normally Open Control Fail Relay Contacts – User defined settings for PT. Supply, Time delay and Under voltage Blocking. – 4-20mA I/P for Remote Control of NVA

AVR EE 301- -T T AVR EE 301 ! Separate Nominal Value and Bandwidth Settings ! Continuously adjustable Time Delay setting ! Undervoltage Alarm contacts with Internal Blocking ! Built-in TPI for maximum 35 Taps, 1K step resistance with optional 4-20mA O/P ! Control Fail Relay (CFR) available as Standard feature ! Overvoltage Blocking at 132V & Restoration at 127 V ! Combined UV/OV Relay contacts for Blocking. ! Test Mode for testing AVR on Panel options : LDR, AFR

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Aux I/P PT I/P CT I/P AFR LR RR UV CFR 17 18 19 20 21 (only for EE-301T) Max Com Min 4-20mA O/P (optional) EE-301M, EE-301T Wiring Diagram

AVR EE- -302 302 AVR EE ! Microcontroller based Architecture with Analog/Digital Converter ! Keyboard entry for Parameter Settings ! Linear or Inverse Time Response ! Two independent timers for first and subsequent pulses ! Single Pulse or Continuous Pulse Operation ! Load Shedding at 3%, 6% and 9% ! Readout of Prim. and Sec. Voltages in KV, Volts and % Deviation ! Independent Lower and Raise settings in % of Nominal Value ! High Speed return action for Overvoltage Condition ! Options – Line Drop Compensation – Normally closed Auxiliary Supply Fail Relay Contacts – Built-in Tap Position Indicator upto maximum 35 taps with 1K step Res. – Overcurrent Blocking @ 150 % of rated current with a pair of NO contacts

1 2 3 4 5 6 7 8 9 10 11 12 13 14 Aux PT Aux Fil CT I/P TPI LS3 LS9 I/P I/P O/P com LS6 Com 15 16 17 18 19 20 21 22 23 24 25 26 27 28 TPI LR RR OV UV CFR AFR Max Min EE-302 Wiring Diagram

AVR EE- -303 303 AVR EE ! Microcontroller based Architecture with Analog/Digital Converter ! Keyboard entry for Parameter Settings ! Linear or Inverse Time Response ! Two independent timers for first and subsequent pulses ! Single Pulse or Continuous Pulse Operation ! Readout of Prim. and Sec. Voltages in KV and Volts ! Independent Lower and Raise settings in % of Nominal Value ! Built-in Tap Position Indicator upto maximum 35 taps with 4-20mA O/P ! In Manual mode, Taps can be Raised or Lowered via Keyboard ! Test mode for testing of AVR operations for all conditions ! Min PT, Max PT and Tap Change Count recording ! Remote AVR Disable through Potential free contacts with Remote Indications ! Overvoltage Blocking action as per the set value ! Options – Normally closed Auxiliary Supply Fail Relay Contacts – PT display of 433V instead of 110V

1 2 3 4 5 6 7 8 9 10 11 12 13 14 TPI Aux PT RR LR UV Max com Min A/M I/P I/P Com 15 16 17 18 19 20 21 22 23 24 25 26 Dis Tcp OV AFR 4-20 mA CFR I/P I/P O/P EE-303 Wiring Diagram

TAP POSITION INDICATORS TAP POSITION INDICATORS ! EE601 : Standard Model ! EE601-S : Small Model ! EE601-G : TPI with Grey Code Input ! EE604 : TPI with Counter ! EE605 : TPI with Voltage Display ! EE606 : TPI with Dual Polarity ! EE607 : TPI with BCD Input ! Optional 4-20mA I/p & O/p available

TPI Block Diagram TPI Block Diagram

Dual 4 -20 mA O/P - + - + 1 2 3 4 0V Max Wip 110V 230V Min 1 2 3 4 5 6 TPI GENERAL Wiring Diagram

General Specifications of TPI General Specifications of TPI Model EE- -601 601 Model EE ! No. of Taps : 35 ! Step Resistance : 1K or User defined ! Auxiliary Supply : 110/230 V AC ± 10% ! Panel Cutout : 90 x 90 mm : 90 x 48 mm for EE601-S ! Options – 4-20mA Output with 100E termination Resistance for SCADA – 4-20mA Input instead of 3 wires resistance chain – Suitable for 2 wire Resistor Chain Input – Universal Auxiliary Supply from 95V to 260 V AC/DC

TPI Models TPI Models ! EE-604 : Additional 6-digit display for Tap Change Counter ! EE-605 : Additional 6-digit display for Tap Voltage ! EE-606 : Tap No. displayed with Positive or Negative polarity with respect to center position ! EE-607 : Tap No. displayed according to 6-digit BCD Input from encoder ! EE 601-G : Tap No. displayed according to 5- digit Gray code Input from encoder

ROTI / RWTI AND TRANSMITTER ROTI / RWTI AND TRANSMITTER EE-602 : Remote Oil/Winding Temperature Indicator Input Resistance of 0 to 440E / 2.8K/ User defined Optional 4-20mA I/P or PT-100 Sensor Input available Optional 4-20mA O/P available Temperature range of 0 o C – 150 o C Universal Power Supply – 95 to 260 V AC/DC\ EE-701 : TRANSMITTER for TPI and ROTI / RWTI Suitable for TPI and ROTI/RWTI Direct PT-100 Sensor Input available Dual 4-20mA O/P Din-Rail or Wall Mounting Universal Power Supply – 95 to 260 V AC/DC

VOLTAGE CONTROLLER CONTROL UNIT VOLTAGE CONTROLLER CONTROL UNIT EE-402 : VCCU for Servo Voltage Stabilizers Independent Settings for Lower, Raise, UV & OV Variable Time delay Settings LED Indications for Raise, Lower, & Time delay Operations Projection Mounting OV UV 230V RR COM LR NO COM NC COM NC NO 1 2 3 4 5 6 7 8 9 10 11 12 VCCU EE-402 Wiring Diagram