Catalog excerpts
A®WR-22@©M Hybrid Universal Analog / Digital 1 or 3 phase 3.5Amp Self Excited, Shunt, Auxiliary Winding, Harmonic Power or PMG Automatic Voltage Regulator • Power input single phase 60 to 300 Vac @ 50 to 500 Hz • Sensing input 1 or 3 phase 220 to 600 Vac programmable • Voltage regulation less than +/-0.5% • 50/60 Hz selectable • Multiple power input source SHUNT, AUX, HARMONIC, PMG • Inverse-time over excitation & under frequency protection • Soft start voltage ramping • Built-in high capacity protection fuse • Panel mounted, internal wiring external adjustment • Apply with KUTAI IVT-1260/IVT-2460 to exceeds normal generator motor starting capabilities Sensing Input Voltage 220 to 600 Vac 1 or 3 phase DIP switch setting Frequency 50/60 Hz DIP switch setting Power Input Voltage 60 to 300 Vac 1 phase 2 wire Frequency 50 to 500 Hz Excitation Output Voltage Continuous 125 Vdc @ power input 220 Vac Current Continuous 3.5A Intermittent 7A for 10 seconds Resistance ^ 18 ohms @ power input 110 Vac ^ 36 ohms @ power input 220 Vac External Volts Adjustment Max. +/-5% @ 500 ohm 1 watt potentiometer Max. +/-10% @ 1K ohm 1 watt potentiometer Voltage Regulation Less than +/-0.5% (with 4% engine governing) Build Up Voltage 5Vac 25Hz residual volts at power input terminal Soft Start Ramp Time 4 seconds +/-10% EMI Suppression Internal electromagnetic interference filtering Static Power Dissipation Max. 12 watts Burden in Shunt & PMG Wiring 550 VA @ power input 110 Vac 1100 VA @ power input 220 Vac Quadrature Droop Input CT 1A or 5A > 5VA (DIP switch setting) Sensitivity Max. +/-7% @ P.F +/-0.7 Analogue Input Input resistance greater than 2K ohms Max. Input +/-5 Vdc or +10 Vdc Sensitivity 1 Vdc for 2.5% Generator Volts Under Frequency Protection (Factory Presets) 50 Hz system knee point at 45 Hz 60 Hz system knee point at 55 Hz Over Excitation Protection Inverse-time 125 +/- 4 Vdc @ power input 220 Vac Voltage Thermal Drift Less than 3% at -40 to +70 °C Operating Temperature -40 to +60 °C Storage Temperature -40 to +85 °C VOLT Voltage adjustment STAB Stability adjustment U/F Setting under frequency protection knee point DROOP Droop adjustment TRIM Analogue input adjustment DIP Voltage droop ratio setting O/E LED Over excitation protection indicator U/F led Under frequency protection indicator Physical Specifications KUTAI ELECTRONICS INDUSTRY CO., LTD. TEL : +886-7-8121771 FAX : +886-7-8121775 Website : www.kutai.com.tw Headquarters : No.3, Ln. 201, Qianfu St., Qianzhen Dist., Kaohsiung City 80664, Taiwan
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