DC Machines Trainer Kit Model ELTR 005
DC Machines Trainer Kit Model ELTR 005
A] Aluminum profile sturdy flat panel (table top) system, carrying various high voltage components housed in plastic enclosures (panel) to minimise shock possibility.
– Input 3 phase DOL Starter panel (EMT1)
[10 Shrouded Banana]
– 4 pole MCB of 415 V/2A .
– DOL 9A Contactor with 230V / 50 Hz / 11VA COIL .
– Bimetallic thermal O/L relay with range 1.4A – 2.3A .
Integrated AC (3/1 phase) measurement panel EMT34 Bidirectional optionally with PC interface & multifunction power meter EMT20F [1 phase]
[14 Shrouded Banana]
– Consist of 2 nos of (96X96mm) Digital meters one each for 3⌀ & 1⌀. Measures V, I, PF (0.2 lag – unity 0.2 lead), Hz. Hence separate analog wattmeters (3⌀, 1⌀) are not needed.
– Current specs for 3 meter = 1.5A (Balanced load) and 1A/5A for 1⌀ meter (170-250V).
Technical Specifications
– FWD/REV, Star-Delta starter panel (EMT 4)
[12 Shrouded Banana]
– FWD/REV, 3 pole 3 way switch with centre OFF, 6A/440V.
– Star/Delta switch 3 pole, 3 way with centre OFF, 6A/440V.
– 3 Phase wound Rotor & Sync. Motor panel (EMT 5A/5B)
[8 Shrouded Banana]
– Rotor resistors of 30E/5A with 3 taps of 0E, 15E, 21E, 30E each ——–3 nos
– Rotor resistor selector switch, 3 pole.6 Way .6A/440 V.
– DC Rotor excitation over current relay (3Amp)
– 1⌀ Motor, Alternator & Sync. Motor Panel (EMT 16)
[14 Shrouded Banana]
– 1⌀ MCBs of 4A/1.6A 1 each.
– 2no 2P2W selector switches to run as 1 alternator then as synchronous motor.
– 8A pushbutton switch to simulate as centrifugal switch.
– DC voltmeter and DC ammeter panel (EMT 6A/6B)
[14 Shrouded Banana]
a) DC voltmeter (0-300V)
b) DC Ammeter (0-5A) with polarity protection diode
c) Field failure relay to control Armature supply. Both 6A/6B needed simultaneously.
– SCR Actuator (variable DC) cum sensor signal conditioning panel (EMT9)
[4 Shrouded Banana]
– Full bridge SCR based 0V-195V / 5 Amp cosine firing with linear charateristics.
– Supports signal conditioning circuit for speed, torque in kg wt to output 0-2.5Vdc (FS).
– 3 Nos. of these supplies required for DC Armature, DC motor field and AC generator field.
– Instrumentation Power supply cum Multichannel DPM panel (EMT 8)
[10 Shrouded Banana]
(a) +/-12 V, 500 mA (b) +5V, 300mA (c) Unregulated 17V dc/750 mA
(d) line synchronizing signal. (e) 13V / 3 Amp. (f) Multi channel DPM for digital display
of torque, speed etc
– Resistor Load (EMT14A/14B)
(1) AC Resistors = 10K/5K/3.5K/2.5K/2K/1.5K/200WX3 phases/ 6 taps
(2) DC Resistors = 750E/600E/300E/212E/162E/125E/112E/100E/400W / 6 taps+OFF+ separate
60E tap for DC series Gen.
– LC Load (EMT 15A/15B) panel
(A) Inductive load = 0.15H/0.3H/0.45H/0.6H/0.75H/1.5H/3H/400mAX3Nos.
(B) Capacitive load =1.25μ/2.5μ/5μ/415VX 3Nos.
– Mechanical Dimension(mm) : = 1170(L) X 300 (W) X 990 (H)
– Net Weight : 56 kg
– Optional Accessories :
(1) Hand held non contact Digital tachometer
(2) Analog AC voltmeter (EMT2) and dual range Ammeter (EMT3)
(3) EMT 34 bidirectional power meter and analyser with RS232C / RS485
(4) 3 phase sequence indicatorcum protection panel (P30)
(5) 1Phase Variable Transformer 3 Amp rating
See also different:
Conservation of linear momentum is well understood and often demonstrated to students. Equally important is the conservation of angular momentum. It is not easy to do meaningful experiments on this, but a highly visual demonstration of almost [...]
