McPherson Controls | Voltage Regulator | SS321
Dependable, proven performance. McPherson Controls technical experience and innovative engineering delivers high quality performance.
Description
Additional Info
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Description
SS321
Details and Specifications
- Voltage regulation less than +/-0.5% RMS
- For use in parallel operation
- RAMP, DIP, DWELL, DROOP, RMS, U/F, Over Voltage and Over Excitation Adjustment Functions
- Over Exc. / Over Volt. and UFRO LED indicators
- Current limiting function
Product Specifications:
| Specifications | |
| Sensing Input | Voltage 190 to 264 Vac 3 phase Frequency 50/60 Hz selectable |
| Power Input (PMG) | Voltage 170 to 220 Vac 3 phase 3 wire Current 3A / phase Frequency 100 to 120 Hz nominal |
| Excitation Output | Voltage Max. 120 Vdc @ power input 220 Vac Current Continuous 4A Intermittent 7A for 60 seconds Resistance Min. 15 ohms |
| External Voltage Adjustment | Max. +/-10% @ 5K ohms 1 watt potentiometer |
| Voltage Regulation | Less than +/-0.5% RMS (with 4% engine governing) |
| Build Up Voltage | 5Vac residual volts at power input terminal |
| Soft Start Ramp Time | 0.4 to 4 seconds |
| Static Power Dissipation | Max. 18 watts |
| Quadrature Droop Input | Burden 10 ohms Max. Input 0.33A Max. Sensitivity 0.22A for 5% droop (PF=0) |
| Analogue Voltage Input | Input Resistance 1K ohm Max. Input +/-5 Vdc Sensitivity 1V for 5% generator volt |
| Over Voltage Detector Input | Set Point 300V Time Delay 1 second (fixed) CB trip coil volt 10 to 30 Vdc / 0.5 Amp |
| Current Limit Input | Burden 10 ohms Sensitivity Range 0.5A to 1A |
| Under Frequency Protection (Factory Presets) | Set Point 95% Hz Slope 100 to 300% down to 30 Hz |
| Over Excitation Protection | Set Point 120 Vdc Time Delay 8 to 15 seconds |
| Voltage Thermal Drift | Less than 5% at temperature range -40 to +70 °C |
| AVR Control Functions | |
| VOLT | Voltage adjustment |
| STAB | Stability adjustment |
| UFRO | Setting under frequency protection knee point |
| DROOP | To set the Droop to 5% at PF=0 |
| TRIM | To optimize analogue input sensitivity |
| EXC TRIP | Over excitation trip level set |
| DIP | Hz related voltage DIP set |
| DWELL | Hz related recovery time set |
| I/LIMIT | Stator current limit set |
| OVER/V | Over voltage trip level set |
| RAMP | No load voltage Ramp set time |
| RMS | Root mean square of generator |
| Environment | |
| Operating Temperature | -40 to +70 °C |
| Storage Temperature | -40 to +85 °C |
| Relative Humidity | Max. 95% |
| Vibration | 3.3 Gs @ 100 to 2K Hz |
| Physical Specifications | |
| Dimensions | 203.5 (L) x 153.6 (W) x 43.5 (H) mm |
| Weight | 530 g +/-2% |
PRODUCT Related documents:
Additional Info
| Weight | 2 lbs |
|---|---|
| Dimensions | 9 × 6.5 × 2.25 in |
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