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IntegraPower Features and Models

IntegraPower Features and Models. L1. L2. L3. Indicator LEDs. Line Side. RS-232 cable to PC. TB1 connections: Remote ON/OFF Remote indicator light Y-  Control Bypass contactor control. TB2 connections: Remote power supply Escalator safety chain. T1. T2. T3.

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IntegraPower Features and Models

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  1. IntegraPower Features and Models

  2. L1 L2 L3 Indicator LEDs Line Side RS-232 cable to PC • TB1 connections: • Remote ON/OFF • Remote indicator light • Y- Control • Bypass contactor control • TB2 connections: • Remote power supply • Escalator safety chain T1 T2 T3 Load Side (to motor) Basic Connections 35A IntegraPower-E

  3. Operator Interface Software MAIN CONTROL SAVINGS CONTROL SAFETY CONTROL SOFT START SOFT STOP WYE-DELTA CONTROL DATA FEEDBACK

  4. Two Energy Saving MethodsCombined in One Controller 1. Power Attenuation using SCRs 2. Intelligent Y- Switching

  5. Energy-Saving Method 1:Power Attenuation Using SCR Switches

  6. A / D A / D A Basic Architecture 3-Phase Power a b c Digital Signal Processor Voltage Zero Crossing Voltage Sensors V V V SCR Control Signal Calculate Phase Angle SCR Switches Current Zero Crossing Current Sensors A A Motor Phase angle between current & voltage Light Motor Load: large phase angle Heavy Motor Load: small phase angle

  7. Energy Saving Method Explained Further… No Savings With Savings Voltage AC Waveform Voltage AC Waveform Current AC Waveform Current AC Waveform

  8. Escalator Example: Nevada Casino (up escalator) kW without IntegraPower controller 2.05 kW with IntegraPower controller 1.43 kW reduction 29.5%

  9. Energy-Saving Method 2:Intelligent Wye/Delta Switching(if Y- starter present)

  10. Typical Y- Control Components Up / Down Contactors Timer Relay Y-Contactor -Contactor Circuit Breaker Overload Protection

  11. Energy Saving In Wye Mode Delta Configuration* WYE Configuration* *balanced load 10A 30A L1 L1 480VAC 480VAC 10A 277VAC 17.3A 17.3A60o L2 L2 L3 L3 Power Consumption = 1/3 of Delta Line Current = 1/3 of Delta Motor Torque = 1/3 of Delta Winding Voltage = 58% of Delta Line Impedance = 3 times Delta L1 R T1 S T6 L2 R T2 Motor S T4 L3 R T3 T5

  12. Added Savings with Y- Switching Sterling Electric Model EMOLO4FFA Y- Motor 10HP 3-phase 230/460 VAC 25.2/12.6 A

  13. Digital Signal Processor 3-Phase Power L1 L2 L3 Reduced-Voltage Control Voltage Zero Crossing Voltage Sensors A / D A / D V V V SCR Control Signal Calculate Phase Angle SCR Switches Current Zero Crossing Current Sensors I I I Y-D Control D D D D Y-D contactors Y Y Y Motor Electronic power reduction Power reduction by Y- switching IntegraPower-E

  14. Y- and Voltage Reduction Savings

  15. Example Wiring Diagrams

  16. Basic Connection

  17. With 2 button On/Off Control

  18. PLC Remote Control

  19. Indicator Light Control GREEN – Control board has power Self test passed YELLOW – Start signal received (controller will output power to motor) AMBER – Controller is in savings mode (Y – Delta) RED – Fault condition detected Switch S1 - setting selects when 1 to 2 shorts

  20. Like most Soft Starters

  21. Bypass & Disconnect

  22. WYE – Delta

  23. The Logic for Y - Delta

  24. Escalator

  25. Typical Industrial Application

  26. Mounting on Unistrut

  27. Data taken on GE 4 pole motor for 2 different loads (PF = .87 and PF = .64 before the capacitors. Based upon this limited data, it is observed that the % KW savings is slightly higher with the capacitors than without the capacitors. The % KVA savings is slightly lower with the capacitors than without the capacitors. Power Quality Capacitors

  28. The User Interface

  29. S2 GUI mode & cable

  30. PrecisionPower software interface • Soft Start • Soft Stop • Main Control • Savings • Safety • WYE – Delta • Data Feedback

  31. LogMeIn support Visit http://www.logmein.comfor more information.

  32. Further Information: Precision Power Labs, Inc. 14201 N Hayden Rd Suite C-4 Scottsdale, AZ 85260 (480) 268-2393 www.precisionpowerlabs.com mikeh@precisionpowerlabs.com

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