1. iMCC Intelligent Motorized Control Cabinet Innovative control for disconnect switches EHT NTERNATIONAL I

2. Main Substation Components Transformers These devices step up or step down the incoming voltage of the substation. They are the most costly components of the transmission and distribution network. Circuit Breakers These devices protect the network from overloads. They also protect against lightning strikes. They are used to cut power to the network. Disconnects These devices ensure a visible break in an electric circuit and isolate equipment within the substation for maintenance. EHT NTERNATIONAL I

3. What is iMCC? Controls: Complete operation of the Disconnect Monitors: All components of the Disconnect Alarms: Warns of incipient faults Mechanically conforms: Can be used with ALL disconnect designs EHT NTERNATIONAL I Replaces conventional controllers with the Smart Grid in mind

4. Control  Intelligent operation of Disconnects  Real time status of switch operation  Real time status of arm location during operation  Optimal contact pressure  Full motor control allowing variable speed to reduce arc time  Interphase synchronization  Multi-trial mode EHT NTERNATIONAL I

5. Monitor Operation completion (Opening and Closing) Arm position via optical positioning system Disconnect position failure Motor voltage, current and torque Temperature and Humidity measurements SCADA connectivity EHT NTERNATIONAL I

6. Alarm CodeDescriptionLevel 0No Error0 1Enclosure maximum temperature surpassedI 2Motor overvoltageI 4No rotation of positioning shaft, encoder detects no movement I 5No reading of the encoder. Encoder failureI 6Security switch activated, position limit attainedI 7Local button failure (button activated for more than 60 sec) I 8Motor activated for more than 3 minutes; motor stopped II 9Environmental sensor failureI 12Enclosure minimum temperature surpassedI 13Motor overcurrentII 14Encoder position out of rangeII 17Three trials performed in multi-trial modeI 25Other phase(s) failure - inter-phase locking(IPL) signal activated II 26Mechanical link failure of disconnectII 27Blade of disconnect fallen outside of jawI 28Main contact of disconnect jammed outside of jawII 29Main contact of disconnect jammed inside jawII 30Encoder failureII 31Positioning shaft failureII EHT NTERNATIONAL I Alarms are recorded in a non- volatile memory and transmitted via the communication port or by the dry contact relays. An LED will illuminate locally and the alarm code will be displayed on the iCOD panel if an alarm is present. Alarm levels:  Level I : Maintenance required in the medium term  Level II : Immediate maintenance is required the disconnect is not functional.

7. Mechanical Designed for 50 years operational use with little or no maintenance. Will work with any disconnect design. Over rated motor and gears for years of trouble free use. EHT NTERNATIONAL I

8. The optical positioning system has a precision of 1/5 of a degree, thus providing great flexibility for data analysis by function of the position. The controller knows the position of the arm at all times. It can detect a break or blockage of live parts or gears. Cams are NOT used to determine arm position, a combination of torque and position is used to determine the actual position of the arm throughout entire operation. EHT NTERNATIONAL I Operation and Diagnosis Arm wedged in corona ring Arm fallen outside of corona ring

9. EHT NTERNATIONAL I Elimination of Auxiliary Cam Switches The optical positioning system, OPS, provides an accuracy in the DS arm position measurement that is impossible with traditional methods. Positions are now assigned within the software. Once the positions are established the configuration file can be copied to other iCODs operating DS of the same design.

10. Elimination of Auxiliary Cam Switches EHT NTERNATIONAL I

11. EHT NTERNATIONAL I De-Icing During icing conditions the disconnect will attempt three time to break the ice. A built in delay allows time for the operator to get out of the way.

12. EHT NTERNATIONAL I Increased lifespan of disconnect switches and adjacent equipment due to reduced arcing time (50% or more) Reduced harmonics injected into equipment and grid. Arc Reduction

13. EHT NTERNATIONAL I DSV : Avantages of variable speed control A strategic solution for control and monitoring  Reduction of harmonics by 50% or more per manoeuvres.  Reduction of exposure of harmonics to transformers.  Reduction of exposure to arcs on contact fingers therefore reduced pitting of contacts.  Increased contact pressure on pantograph and semi pantograph designs.  Minimized motor stress due to fluid motor acceleration and deceleration.  An active system for the measurement and control of motor current, cycle by cycle, for optimal motor protection. Motor will never burn out as current is constantly being measured thus preventing overcurrent conditions.

14. EHT NTERNATIONAL I DSV : Avantages of variable speed control  Direct link between arc time and energy dissipated  Reduced arc time, reduced harmonics dissipated.

15. EHT NTERNATIONAL I Maintenance Free Design  Solid state design, no moving cams or micro switches.  No degradation due to poor contacts from oxidation.  Elevated resistance to vibration.  Motor current monitoring to increase motor life and other components.  Very low control operating current versus the activation of a relay coil.

16. EHT NTERNATIONAL I Maintenance Free Design  Control panel membrane prevents dust and pollution from affecting the contacts.  Military grade robust, proven and isolated.  Contact switch life more than one million operations.

17. EHT NTERNATIONAL I Maintenance Free Design Front panel and terminals – zero maintenance. Connections for SCADA easily accessible. No Cams to become lose over time Configuration file can be copied to other iCODs

18. EHT NTERNATIONAL I Optional Maintenance Free Design - Terminals  Vibration tests conducted IEC60068-2-6 at a frequency of 2000Hz with an acceleration of 20G. Specially designed for the railways.  Excellent contact over life of equipment tightening not required.  Used at many utilities including Hydro One and Hydro Quebec.

19. EHT NTERNATIONAL I Testing conclusions by Hydro-Québec  Reliability observed for the duration of the tests.  Decrease adverse effects caused by the operation of the disconnect.  Immunity to EMI / RFI Testing in the laboratories of EHT  10 000 operations over a period of one month  1000 maneuvers continuously  Operations at high temperature  Continuous operation at 70 ° C Standards and Approvals Testing Standard IEC 62271-102 All specifications of the standard have been successfully completed; Compliant with purchasing and HQ SN62.1008 SN.19.3 All PCBs are treated with a conformal coating Hydro Quebec Certification In Progress

20. EHT NTERNATIONAL I Tests with Hydro Quebec

21. EHT NTERNATIONAL I  With an accuracy (0.1%) of the positioning system for the power contacts results in a significant reduction in losses through the bad positioning of primary contacts.  Environmental control system (control of heat and humidity) optimized with 20% to 30% energy saving. Reduced Losses

22. Software Interface EHT NTERNATIONAL I Monitoring panel Operation descriptionAnalysis panel Operation graph

23. EHT NTERNATIONAL I Field Installation Upgrading an existing Hydro Quebec cabinet with…..

24. EHT NTERNATIONAL I  Real time monitor of the entire operation of the disconnect  No maintenance required – solid state design  Predictive maintenance tool  Multi-Trial mode  Ensures optimal contact pressure  Fully tested with Hydro Quebec ICOD Intelligent Disconnect Controller

25. Thank You EHT International www.ehtinternational.com +450-906-0705 EHT NTERNATIONAL I