The excitation current the exciter is switched off by disconnecting should increase to its preset ceiling remain the avr power supply 1 wire on each. En e.
Hot Item Leroy Somer Generator Parts Avr Circuit Diagram Voltage Regulator R438
Leroy somer avr r448 wiring diagram. With arep excitation the r 448 electronic avr is powered by two auxiliary windings which are independent of the voltage match circuit. 2 auxiliary windinqs xix2 and z z2 shunt supply. Avr 4531 en 22 pmg excitation system with pmg excitation a permanent magnet generator pmg added to the alternator supplies the avr with voltage which is independent of the main alternator winding. Check that the st3 frequency selection jumper is on the correct frequency setting. A wide variety of leroy somer avr r options are available to you leroy somer generator avr r r r r r r. Page 14 leroy somer installation and maintenance 3972 en 022008 d r448 r448 v50 avr.
31 electrical checks on the avr check that all connections have been made properly as shown in the attached wiring diagram. This system provides the machine with a short circuit current capacity of 3 in for 10 s. Leroy somer reserves the right to modify the characteristics of its products at any. The avr monitors the alternator output. Optional operating modes. Open switch d.
V installation and maintenance. Potentiometer p1. Rotating switch selection 1. The leroy somer manuals are available as free downloads. Potentiometer p3. Electronic built in overload short circuit and loss of.
12 wires marked t1 to t12. Leroy somer 3972 en 052008 e 5 2 supply 21 arep excitation system for both arep pmg excitation systems the alternator voltage regulator is the r 448. It can be supplied with power either by a power vt or by the arep field excitation system or by a single phase or 3 phase pmg. The r449 voltage regulator is of a shunt type. 150v5060hz rated overload current. 23082018 23082018 2 comments on leroy somer avr r448 wiring diagram.
Warning symbol for general. Using the r726 external module the regulator can control the power factor 2f and can match the alternator. Potentiometer p2. Leroy somer r automatic voltage regulator download as pdf file pdf text r r avr. Check whether the st4 jumper or the remote adjustment potentiometer have been connected. Leroy somer avr r448 wiring diagram.
R r v avr. R448 automatic voltage regulator r448 automatic voltage regulator avr specificationinstallation and adjustments specifications normal avr supply power. It is designed to fit as standard on a50 to a54 alternators. R448 r448 v50 avr. Have been made properly as shown in the attached wiring diagram. Frequency uf function lam function.
Gallery of Leroy Somer Avr R448 Wiring Diagram
