Synchronous generators in parallel Description and Specifications for Lab Tenders
Synchronous generators in parallel.
TRAINING PROGRAM
The training concerns the study of the instruments and techniques
for parallel connection of the alternators to the line power. The
application field of such devices concerns big high voltage
production plants as well as small low voltage autonomous and/or
cogeneration plants.
Main treated subjects:
• regulation of the prime mover in order to generate a triad of
compatible voltage for the parallel with the line power
• determination of the parallel device closing
• synchronous machines in parallel between them and with the
line power
• overload of the synchronous machines and loss of the parallel
TECHNICAL SPECIFICATION
Module for the parallel of the generators mod. PCB-1/EV
The structure is made in sheet steel chemically treated and painted with
epoxy paint; the base is provided with rubber feet and can be laid over
a work plane. All electrical components necessary for the board
operation are included in the module.
Main installed components:
1 Thermomagnetic E.L.C.B. In = 16 A Idn = 30 mA, type A, with
minimum voltage trip device and stop emergency pushbutton with
mechanical interlock.
3 Single-phase output sockets for power supply of the power
generation panels and different accessories.
2 Wide-scale 500-Vac voltmeters for comparison of the voltages shown
by the triads to be set in parallel.
2 Wide-scale frequency-meters from 30 to 70 Hz (500 Vac) for
comparison of the frequencies shown by the triads to be set in parallel.
1 Three-lamp sequence indicator for 400-V voltage.
2 Electromagnetic counters, 25 A AC3, with stop and run pushbuttons.
1 Three-pole T.M.C.B. In adjustable from 2.4 to 4 A
1 4-pole E.L.C.B. In = 25 A Idn = 30 mA, type A.
1 Digital electric power analyzer to be used with balanced or
unbalanced systems with neutral, for measurement of voltages,
currents, active, reactive and apparent power, peaks of maximum
active, reactive and apparent power, active and reactive power
counting, cogeneration counters. The analyzer is complete with two
programmable relays with maximum and minimum alarm functions
programmable between those measured. The analyzer is provided
with an interface RS485, converter RS232 and software for
acquisition of the parameters with a personal computer.
Dimensions and weight
Module: 840x450x680 mm – 38 kg
Power supply
230 V / PE 50-60 Hz – Max. absorption: 3 kVA
Theoretical-experimental texts
Manual with exercises
Provided accessories
1 Single-phase power supply cable with socket
1 Set of 65 cables – U-bolts with 4 mm safety plug