1)The function of the Load Sharing Module is to proportionally share load between two or more generator sets while the system frequency is held constant.As an accessory to the electronic Governing System,the PER 672 measures the true power current ,and throught a parallel cable interconnection,continuously controls the governor system.
2)Performance:
Load Sharing Adjustable to within +/-2% between sets
Performance.Isochronous and droop paralleling and power control
Reverse Power Monitor.Adjustable from 0.5-20% with a 2 second inverse time constant
Forward Power Monitor ON trip point adjustable from 20-100%
OFF trip point adjustable from 0-80%
Normally open contacts with a 2 second inverse time constant
3)Power Output:
Signal.0 to 7.5 Volts DC representing 0-100% load
All performance specifications are based on 5 amps from the current transformer (CT) Secondaries at full load unity P.F.
4)Power input :
AC input signals.. 208 or 416 volt nominal line to line and 5 amp CTs with a minimum 6.25 VA rating. Internal 0.25 ohm burden resistors
Line to line voltagesper table below
HZ LOW RANGE HIGH RANGE
50 140-250 VAC 260-420 VAC
60 170-260 VAC 340-500 VAC
400 170-260 VAC 340-500 VAC
DC Supply..18-36 VDC(Transient and reverse voltage protected)
DC Power Consumption.70 ma continuous
5)Weight:2.41kg
6)Relative products:
PER672
PER6714
| Power Input | AC Input Signals | 208 or 416 Volt nominal line to and 5Amp Cts with a minimun 6.25VA Rating internal 0.25 ohm burden resistors |
| Line to line Voltages | Per table below | |
| DC Supply | 18-36 VDC (Transient and reverse voltage protected) for 12 VDC Applicationis use LSM 672-12 | |
| Polarity | Negative ground (case isolated) | |
| DC Power Consumption | 70 ma continuous | |
| Power output Signal | 0-7 Volts based on 5amps of C.T .output | |
| Performance | Load sharing | Adjustable to within ±2% between sets |
| Performance | Isochronous and droop paralleling and power contol | |
| Reverse Power Monitor | Adjustable from 0.5-20% with a 2 second inverse time constant | |
| Forward power Monitor | “ON” trip point adjustable from 20-100%/ “OFF” trip point adjutable From 20-100%. Normally open contacts with a 2 second inverse time Constant | |
| Power output Signal | 0 to 7.5 Volts DC representing 0-100% load. All performance Specifications are based on 5A from the current transformer(CT) Secondaries at full load unity P.F. | |
| Droop Range | 1-5% regulation | |
| Environmental | Temperature Range | -40 to +175°F(-40°+85 °C) |
| Relative Humidity | 100%- Circuit board heavily conformal coated | |
| All Surface Finishes | Fungus Proof and Corrosion Resitant | |
| Reliability | Testing | 100% Functional Tested |
| Vibration | 1g @ 20-100HZ | |
| Shock | 10gs | |
| physical | Dimensions | See Diagram 1 |
| Weight | 5.2 Lbs (2.36Kgs) | |
| Mounting | Any position, Vertical Preferred
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