IntegraPower Features and Models

L1L2L3 T1T2T3 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 Indicator LEDs Line Side Load Side (to motor) Basic Connections 35A IntegraPower-E

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

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

Energy-Saving Method 1: Power Attenuation Using SCR Switches

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

Energy Saving Method Explained Further… No SavingsWith Savings Voltage AC Waveform Current AC Waveform

kW without IntegraPower controller 2.05 kW with IntegraPower controller1.43 kW reduction29.5% Escalator Example: Nevada Casino (up escalator)

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

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

Energy Saving In Wye Mode 480VAC 277VAC 10A30A 17.3A L1 L2 L3 L1 L2 L3 10A WYE Configuration* Delta Configuration* 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 *balanced load 17.3A  60 o R R R S S Motor L1 L2 L3 T1 T6 T2 T4 T3 T5

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

Electronic powerreduction Power reductionby Y-  switching IntegraPower-E

Y- and Voltage Reduction Savings

Example Wiring Diagrams

Basic Connection

With 2 button On/Off Control

PLC Remote Control

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

Like most Soft Starters

Bypass & Disconnect

WYE – Delta

The Logic for Y - Delta

Escalator

Typical Industrial Application

Mounting on Unistrut

Power Quality Capacitors  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.

No CapacitorsBefore CapacitorsAfter Capacitors LOAD 1 Power Factor with no Controller Power Factor with Controller % KW Savings25.70%26.30%24.70% % KVA Savings 39.90%35.00%38.80% LOAD 2 Power Factor with no Controller Power Factor with Controller % KW Savings4.60%5.10%4.90% % KVA Savings 11.40%8.40%11.10%

The User Interface

S2 GUI mode & cable

PrecisionPower software interface  Soft Start  Soft Stop  Main Control  Savings  Safety  WYE – Delta  Data Feedback

LogMeIn support Visit for more information.

Further Information: Precision Power Labs, Inc N Hayden Rd Suite C-4 Scottsdale, AZ (480)