DL 1017C
|
CAPACITIVE LOAD - didactic equipment
It must consist of a single or three-phase capacitive step-variable load. Housed in a metallic box.
MECHANICAL FEATURES
The load shall be composed of a rugged metal structure and on the front panel all the controls, the protections, the output terminals and a clear synoptic diagram shall be collected. This item must be provided also with fuses protection.
ELECTRICAL FEATURES
The load shall be composed of capacitors, with possibility of star, delta and parallel connection, controlled by three switches.
As a function of the switch position, there shall be the following phase values (at 50Hz):
Position Capacitance Max power per phase
1 2 uF 30 VAR
2 3 uF 45 VAR
3 5 uF 76 VAR
4 8 uF 121 VAR
5 10 uF 152 VAR
6 13 uF 197 VAR
7 18 uF 275 VAR
Max reactive power in single-phase or three-phase connection 825 VAr.
Rated voltage in star connection must be 380V, in D connection must be 220V, in single-phase must be 220V. 4 mm. safety terminal included on the front panel for the electrical connection.
|
1
|
DL 1023PS
|
SHUNT DC MOTOR - Didactic equipment:
Power of 1.8 kW minimum, voltage: 220 V, speed: 3000 min-1, excitation voltage: 170 V.
It must be possible to couple the electrical machine with other electrical machines through a hub and spider elastic gear ring in polyurethane. It must be supplied with a hooked module in aluminum with PVC label and safety terminals for the electrical connection. A schematic diagram must be shown on the hooked module.
Each machine must be mounted on a base and must be provided with:
- Plate that brings its axis height to the standard measure (112 mm).
- Plates for fixing to the base of the machine
- Four screws for fixing of the machine
InterRail Distance of the plates: 160mm
Coupling Joint: Diameter: 40mm, length 40mm
The motor must be supplied with a theoretical and practical manual in English language.
|
1
|
DL 1026A
|
THREE-PHASE SYNCHRONOUS MACHINE - Didactic equipment:
machine with smooth inductor and three-phase
stator armature winding for operation either as an alternator or as a synchronous motor.
Technical features: Alternator: Power: 1.1 kVA - Motor: Power : 1 kW - Voltage: 220/380 V D/Y -Current: 2.9/1.7
A D/Y- Speed: 3000 rpm - Excitation: 175 V / 0.4 A
It must be possible to couple the electrical machine with other electrical machines through a hub and spider elastic gear ring in polyurethane. It must be supplied with a hooked module in aluminum with PVC label and safety terminals for the electrical connection. A schematic diagram must be shown on the hooked module.
Each machine must be mounted on a base and must be provided with:
- Plate that brings its axis height to the standard measure (112 mm).
- Plates for fixing to the base of the machine
- Four screws for fixing of the machine
InterRail Distance of the plates: 160mm
Coupling Joint: Diameter: 40mm, length 40mm
The motor must be supplied with a theoretical and practical manual in English language..
|
1
|
DL 2031M
|
OPTICAL TRANSDUCER - Didactic equipment:
suitable to measure the revolving speed through a slotted optical
switch with encoder disc, that must be also used for stroboscopic measurements. Supplied with connector for the transfer of the signal to the electronic tachometer. Prearranged for its assembling on the machines of the laboratory.
Provided with the following components: Back-plate, cover, encoder disc, machine shaft, security dowel for disc, optical switch, securing screw for back-plate, plexiglas cover, allen wrench, screws.
The unit must be supplied with a manual in English language.
|
1
|
DL 1013A
|
UNIVERSAL BASE - Didactic equipment:
this item must consist of a steel alloy varnished structure mounted on anti- vibration rubber feet, provided with slide guides for the fixing of one or two machines and with a coupling guard.
Complete with a device for the locking of the rotor of the slip ring asynchronous machines in the short-circuit test.
Composition:
-Light alloy base, leveled on the upper supporting planes, with two guides for all the couplings of machines rated 1 kW
In the lower section high sensitivity shock absorbers must be mounted, arranged to be fixed to a supporting plane.
-Removable butt strap in varnished plate.
-Flask for the blocked rotor test in varnished light alloy
|
1
|
DL 1055TT
|
EXPERIMENT TRANSFORMER - Didactic equipment
With rotary knob to supply a set of single-phase voltages. It must also be possible to tap off three single-phase floating voltages by means of an isolating transformer.
It must be provided with bridge rectifier for dc voltage output. With the minimum outputs: 0... 250 V / 3 A, 0 ... 42 V / 3 A, 0 ... 24 V / 6 A or 0 ... 12 V / 12 A (floating values), dc voltage: 25 A, bridge rectifier for all ranges, Output protection: 2 magneto-thermal circuit breakers, 3.5 A and 0.8 A ; 4 mm safety terminals for the electrical connection must be included.
|
1
|
DL 2025DT
|
TACHOMETER - Didactic equipment:
This module must be equipped with an analog meter that, coupled to an optical speed transducer, shall allow to measure the rotational frequency of the electrical machines.
Technical specifications:
• Speed ranges: 1500/3000/6000 min
• Accuracy class: 1,5%
• Output voltage: 1V/1000 min
• Power supply: single-phase mains (see identification plate)
Description:
• Circular scale: 240°
• Min-1: range change-over switch
• K2: connector for speed transducer
• Overrange: led for overload monitoring
• Power on: led for power supply monitoring
This module must have insulated type front panel with the electrical scheme, it must include also one selector, one connector to connect the cable in order to read the speed and two leds (power on, overrange) ; 2 mm terminals for the electrical connection must be included.
|
1
|
DL 2108TAL -SW
|
THREE-PHASE SUPPLY UNIT - Didactic equipment:
Power supply unit for three-phase connection with 4-pole cam mains switch.
25 A current operated earth leakage circuit breaker, sensitivity 30 mA.
Triple-pole motor protection switch: 6.3 to 10 A.
Three-phase indicator lamps.
Output through 5 safety terminals:
L1, L2, L3, N and PE.
Switch for simulation of wind or photovoltaic energy power source
4 mm. safety terminal included on the front panel for the electrical connection.
|
1
|
DL 2108T01
|
EXCITATION VOLTAGE CONTROLLER - Didactic equipment:
module with insulated panel, suitable for carrying out some tests on electrical machines starting from 0 V by replacing the excitation rheostats.
DC excitation power supply with an output from 0 to 220 Vdc, 0.6 A.
4 mm. safety terminal included on the front panel for the electrical connection.
|
1
|
DL 2108T02
|
POWER CIRCUIT BREAKER - Didactic equipment:
Three-phase power circuit breaker with normally closed auxiliary contact.
Features:
Contact load capability: 400 Vac, 3 A
Supply voltage: single-phase from mains
Power circuit:
Insulation voltage: 750V
Thermal current : 20A
Auxiliary contact:
Insulation voltage: 750V.
Rated current: 3A
Auxiliary power:
Single-phase voltage 220V, 50-60Hz
It must be possible to control manually the power breaker switch using the push-buttons “on”and “off” or externally via the switching contact PLC or RELAY.
This power contacts state shall be indicated by leds:
Green led = open contacts.
Red led = closed contacts.
While at SIGNAL OUTPUT terminals will be available a TTL level:
Low level ( 0V )= open contacts.
High level ( 5V )= closed contacts.
The RS flip-flop state shall be indicated by a led:
Yellow led = set flip-flop.
4 mm. safety terminal and 2 mm. terminals included on the front panel for the electrical connection.
It must be supplied with manual in English language
|
1
|
DL 2109T1A
|
MOVING COIL AMMETER MODULE - didactic equipment
The module must consist of a magneto-electric meter for ac and dc measurements.
Scale: 50 divisions - the scale shall made open and reasonably uniform down to about 20 percent of the full-scale reading.
Range: 100, 500 and 1000 mA, ac/dc
Accuracy class: 1.5
This module must have insulated front panel , 4 mm safety terminals, one selector and one analog meter.
The module must be supplied with manual in English language.
|
2
|
DL 2109T2A5
|
MOVING COIL AMMETER MODULE - didactic equipment
This module must be suitable for ac and dc current measurements.
Technical features:
•Scale: 50 divisions - the scale shall made open and reasonably uniform down to about 20 percent of the full-scale reading.
•Range: 2.5 A - 1.25 A
•Accuracy class: 1.5
•AC/DC measurements
This module must have insulated front panel, 4 mm. safety terminals, one selector and one analog meter.
The module must be supplied with manual in English language.
|
2
|
DL 2109T1PV
|
MOVING IRON VOLTMETER MODULE - didactic equipment
This module must be suitable for ac and dc voltage measurements.
Technical features:
Scale: 30 divisions - the scale shall be made open and reasonably uniform down to about 20% of the full-scale reading.
Range: 600 V
Accuracy class: 1.5
This module must have insulated front panel with the electrical scheme, 4 mm safety terminals, fuse protection and one analog meter.
The module must be supplied with manual in English language.
|
1
|
DL 2109T1T
|
SINCHRONIZATION INDICATOR MODULE - didactic equipment
Synchronization indicator for qualitative indication of the phase relationship between mains and voltages of the generator.
• 3 series of 2 lamps each, 220 V: H11 - H12, H21 - H22 and H31 - H32
The module must have insulated front panel and 4 mm safety terminals.
The module must be supplied with manual in English language
|
1
|
DL 2109T2T
|
PHASE SEQUENCE INDICATOR MODULE - didactic equipment
phase sequence module : voltage 90 to 660V
The module must have insulated front panel and 4 mm safety terminals.
The module must be supplied with manual in English language
|
1
|
DL 2109T16/2
|
DOUBLE FREQUENCYMETER MODULE - didactic equipment
Measurement device, it must be provided with two instruments for the comparison of frequencies of two voltages.
Range: 2x (45... 65) Hz
Voltage: 220- 380V with switch
Accuracy class: 1.5
This module must have insulated front panel, 4 mm safety terminals and one analog meter. One selector shall be included in this panel.
The module must be supplied with manual in English language.
|
1
|
DL 2109T17/2
|
DOUBLE VOLTMETER MODULE - didactic equipment
Moving coil meter with transducer for single-phase ac.
Insulated front panel and 4 mm safety terminals.
Ranges: 2,5-5A/220-380V.
Scale amplitude: 240°
Supply: 24Vac
|
1
|
DL 2109T26
|
POWER METER - Didactic equipment :
This module must consist in a demonstration single-phase meter for active power and capacitive/inductive reactive power.
Technical features:
Measurement ranges: Voltage: 3/10/30/100/300/1000 V
Current: 0.1/0.3/1/3/10/30 A
Frequency range: Active power: 0 ... 20 kHz
Reactive power: 50 Hz
LED indicators: capacitive reactive power, inductive reactive power, overload voltage (with acoustic sound), overload current (with acoustic sound).
Auxiliary supply: single-phase from mains
This module must have insulated type front panel with the electrical scheme and also 4 mm safety terminals. Two selectors, one switch and one push-button shall be included in this panel.
|
1
|
DL 2109T27
|
POWER FACTOR METER - Didactic equipment:
The module must consist of one single-phase power factor meter with measurement of the power factor and phase-angle with ranges: power factor: 0 cap to 1 to 0 ind, phase-angle: -90°cap to 0 ... +90°ind.
Measurement ranges:
voltage 3 / 10 / 30 / 100 / 300 / 1000V
Current 0.1 / 0.3 / 1 / 3 / 10 / 30A
Frequency range:
active power 0…20 kHz
reactive power 50Hz
Led indicators:
capacitive reactive power
inductive reactive power
overload voltage, with acoustic sound
overload current, with acoustic sound
Auxiliary supply: 220V, 50-60Hz
4 mm safety terminals for electrical connections included.
It must be supplied with manual in English language.
|
1
|
DL 2109T32
|
SYNCHRONOSCOPE - Didactic equipment:
module with insulated panel and 4 mm safety terminals
light rotary type meter with 28 leds on a circular scale and a differential null voltage indication by 2 led situated at the lower corners of the dial.
Working voltage: 380V (120Vmin) - Operating frequency: 40 to 60Hz
|
1
|
DL 2109T1AB
|
MOVING COIL AMMETER MODULE - didactic equipment
The module must be suitable for dc measurements and must have insulated front panel and 4 mm. safety terminals.
Scale: 20 divisions.
The scale is quite uniform and accurate readings can be taken throughout its length.
Ranges: 100/1000 mA.
Range changeover switch with intermediate short circuit position (0).
Accuracy class: 1.5.
The meter must be connected in series and carry the circuit current.
The module must be supplied with manual in English language.
|
1
|
DL 2109T2VB
|
MOVING COIL VOLTMETER - didactic equipment
Moving coil ammeter for dc measurements.
Scale: 30 divisions.
The scale must be quite uniform and accurate readings can be taken throughout its length.
Ranges: 15/30 V.
Range changeover switch with intermediate open circuit position (0).
Accuracy class: 1.5
The meter must be connected in parallel and subject circuit voltage.
This module must have insulated front panel,4 mm safety terminals, two selectors and one analog meter.
The module must be supplied with manual in English language.
|
1
|
DL 2100T2
|
TWO LEVEL FRAME WITH TABLE
Metal frame for fitting the modules of the laboratory.
Mounted on a bilaminated wooden top of a table.
Metal square legs with compensating feet which can be adjusted to offset the uneveness of the floor.
|
1
|
DL 2100TA
|
STORAGE CABINET
Fire varnished steel-plate, provided with shelves for module storage and key-locked doors.
Supplied with 4 rubber casters, the cabinet should be fitted under the experimental table
|
1
|
DL 1155GTU
|
A set of cables with at least 80 connecting leads with security plugs of different colours, length and sections.
|
1
|