Specifications:-

DC Motor/ Generator with the facility of Separate/ Compound/Series Excitation (01 No.)

• Power: Min.300 W
• Voltage (Armature): Min.220 Vdc
• Voltage (Separate Excitation): Min.220 Vdc
• Rpm.: Min.3000
• DC motor operation should also be performed by this unit
• Should be IM B3 form of construction
• Should have IP 22 protection
• Should be included with thermal protector in this unit

3- Phase Cage Motor Asynchronous Type (01 No.)

• Power: Min.500 W
• Voltage: Min.230/400V, 50Hz
• Rpm.: Min.2850 for 2 poles
• Should have Delta-star connection
• Should be IM B3 form of construction
• Should have IP 44 protection
• Should be included with thermal protector in this unit

3- Phase Wound Rotor Motor Asynchronous Type (01 No.)

• Power: Min.500 W
• Voltage: Min.230/400V, 50 Hz
• Rpm.: Min.2900 for 2 poles
• Voltage (Rotor): Min.400V
• Should have Delta-star connection
• Should be IM B3 form of construction
• Should have IP 22 protection
• Should be included with thermal protector in this unit

3- Phase Motor/ Generator Synchronous Type with Starting Function Asynchronous Type (01 No.)

• Power: Min.350 VA
• Voltage: Min.230/400V, 50 Hz
• Rpm.: Min.3000 for 2 poles
• Voltage (Excitation): Min.220 Vdc
• Synchronous motor operation should also be performed by this unit
• Should have Delta-star connection
• Should be IM B3 form of construction
• Should have IP 22 protection
• Should be included with thermal protector in this unit

1- Phase Motor Asynchronous Type with Starting Capacitor (01 No.)

• Power: Min.300 W
• Voltage: Min.230V, 50 Hz
• Rpm.: Min.2900 for 2 poles
• Should be IM B3 form of construction
• Should have IP 44 protection
• Should be included with thermal protector in this unit

AC/DC Motor Universal Type (01 No.)

• Power: Min.260/330 W
• Voltage: Min.230 Vac, 50 Hz / 230 Vdc
• Rpm.: 3000
• Should be IM B3 form of construction
• Should have IP 22 protection
• Should be included with thermal protector in this unit

Power Supply Unit Tabletop Type (01 Set)

• For general electric measurements and of measurements on electric machines
• Power Supply: 3ph, Neutral, Protective Earth, 50-60 Hz

Variable Resistive Load (01 No.)

• Should have 3 separate resistive sectors
• Should have 21 values of DC or single-phase active power
• Should have 7 values of three-phase active power
• Should have safety terminals and protection by fuses
• Power supply (AC): Min.230/400V
• Power supply (DC): Min.220V
• Active power: Max.460W

Variable Inductive Load (01 No.)

• Should have 3 separate inductive sectors
• Should have 21 values of single-phase reactive power
• Should have 7 values of three-phase reactive power
• Should have safety terminals and protection by fuses
• Power supply: Min.230/400V, 50 Hz
• Apparent power: Max.460 VA

Variable Capacitive Load (01 No.)

• Should have 3 separate capacitive sectors
• Should have 21 values of single-phase reactive power
• Should have 7 values of three-phase reactive power
• Should have safety terminals and protection by fuses
• Power supply: Min.230/400V, 50 Hz
• Apparent power: Max.460VA

Transformer 1-Phase (01 No.)

• Power: Min.760 VA
• Voltage (primary winding): Min.230V, 50 Hz
• Voltage (secondary winding 1): Min.0-53-200-400V
• Voltage (secondary winding 2): Min.0-115-230V
• Should have IP 22 Protection
• Should be included with thermal protector in this unit

Tachogenerator (01 No.)

• Can be used to measure the speed of rotation of “M” and “M-B” electric machines
• The output signal can be converted into rpm by tachometer voltmeter
• Can be used for DC motor drive in closed-loop Configurations
• Output voltage: Min.0.06 V per revolution
• Rpm.: Max.5000
• Output voltage 1: Min.300 Vdc at 5000 rpm.
• Output voltage 2: Min.10 Vdc at 5000 rpm.
• Should have IP 44 Protection

DC Starting Rheostat Rotor Starting Stator Starting (01 No.)

• Linear rheostat
• Power: Min.3 x 500 W
• Current: Min.3 x 3.16 A
• Resistance value: Min.3 x 50Ω
• Terminals: Min.9

Shunt Field Rheostat Generator (01 No.)

• Linear rheostat
• Power: Min.500W
• Current: Min.0.31A
• Resistance value: Min.5000Ω
• Terminals: Min.3

Shunt Field Rheostat Motor (01 No.)

• Linear rheostat
• Power: Min.500 W
• Current: Min.1.55A
• Resistance value: Min.200Ω
• Terminals: Min.3

Series Field Rheostat Motor (01 No.)

• Linear rheostat
• Power: Min.500 W
• Current: Min.3.16 A
• Resistance value: Min.50Ω
• Terminals: Min.3

Electrical Measurements Modules (01 Set) Set of devices:

• 2 Modules: 1 three-pole power switch
• 1 Module: 1 phase sequence indicator with lamps
• 1 Module: 1 synchronization device for parallel connection of three phase lines or generators

Set of digital instruments:

• 1 Module:1 tachometer Min.240 Vdc @ 4000 RPM Auxiliary power Min.110-240 VAC – 50/60 Hz
• 2 Modules (Each module includes): Current Measurement: Max.5A. Should include 3 CT 5/5A. The range can be expanded with 3 external CT x/5A; THD Total Harmonic Distortion for currents;
• Over current: Min.50A for 1 sec.; Current Accuracy: Min.0.5%
• Voltage Measurement: Min.3-ph + N.; 400 V phase to N and 690 V ph. to phase, 45-66 Hz; Voltage Accuracy: Min.0.5%; THD Total Harmonic Distortion for voltage
• Frequency: Min.45-66 Hz.
• Power Measurement: Min.3.5 kVA / kW / kVAr
• Other parameters measured: Power factor, Voltage Asymmetry, Energies meter: kWh / kVAh / kVArh and Counter Hour

Other features:

• Auxiliary power Min.110-240 VAC – 50/60 Hz
• Graphic LCD display, 128 x 80 pixel, backlit, with 4 grey levels
• Four keys for parameters visualizing and settings
• Possibility to create up to 4 programmable pages, each with 4 selectable measures among the measured parameters.
• Two programmable relays with max/min alarm functions, selectable among the measured parameters
• Graphical Menu and Messages in 5 languages: English, Italian, Spanish, French and Portuguese
• Communication port: RS485 for data networking
• All connections are provided with safety plugs (Ø 4 mm)

Module (Each module includes):

• 2 multifunction instruments, with the following features:
• VDC max.: 600 V; precision: ± 0.2 %
• IDC max.: 20 A; precision: ± 0.5 %; overload 2 x 20 A (3 min)
• Power DC max.: 10 kW
• Displays: visualize V, I, W. LCD, backlit, 3 lines, 4 digit per line
• Automatic decimal point. Five levels of illumination.
• All connections 4 mm Ø safety terminal

Multifunction Measuring Instrument (01 No.)

• Multifunction Instrument in an isolating table-top box;
• Connections from front and sides, with electrical international symbols;
• Power connections should be carried out with 4mm safety terminals;
• Programmable connections with dia. 2mm connectors;
• It should measure 1-phase / 3-phase electrical parameters. More than 300 TRMS parameters, such as: voltages, currents, active, reactive and apparent powers, power factor, frequency, V and I harmonic analysis up to 31° harmonic;
• Measurements of imported/exported total and partial active energy, inductive/capacitive reactive energy, total and partial apparent energy;
• Measurements class for voltages and currents: 0.2% and currents up to 10A;
• Auxiliary power: 110/250VAC, 50/60Hz
• Graphic LCD display, 128 x 80 pixel, backlit with 4 grey levels;
• Four keys for parameters visualizing and settings;
• Possibility to create up to 4 programmable pages, each with 4 selectable measures among the instrument measures;
• It should include a module with 2 relay outputs for local/remote alarms;

Software for Multifunction Measuring Instrument (01 No.)

• The software should allow to visualize the measurements from the instruments as “virtual instruments”
• Sample the user-defined measurements and save them in different formats like MS- Access, ASCII text and MS-Excel
• Trace graphs of the sampled measurements
• Apply alarm limits to the sampled measurements
• Save on disk the alarms and events sequence of the instruments network
• Visualize and modify the instrument set parameters with the possibility of saving them on disk, recall and print the settings
• Visualize a graph of the voltages and currents harmonic content, using the measurements given by the instrument
• Possibility to program up to 4 pages with parameters selected by the user
• Change the menus and commands language of the program

Tabletop Vertical Frame (01 No.):

• Tabletop Vertical Frame for the Modules of Electrical Measurements

Cables (01 Set): Set of 40 Cables

• Safety Terminals, Ø4mm, Different Lengths and Colors

Cable Holder (01 No.)

• Should be lightweight unit made of structural aluminium profile
• The cable should support (both sides) are to be made of plastic grids, so to avoid damaging the cables insulation.

Cabinet (01 No.)

• Cabinet made of SS & Powder Coating

Experiments to be done: 
Induction motor
Starting experiment of the 3 phase induction motor

• Y-Δ starting of three phase squirrel cage induction motor
• Forward / Reverse operation of three phase induction motor
• Slip measurement of the three phase induction motor
• Load experiment of the three phase induction motor
• Forward / Reverse operation of the single phase induction motor
• Characteristic experiment of the single induction motor
• Operation of universal motor
• Power factor of the three phase induction motor
• Rotor characteristic of the three phase wound-rotor motor

Synchronous machine

• Non-load experiment of the synchronous generator
• Load experiment of the synchronous generator
• Starting method of the synchronous motor
• Phase and load characteristic experiment of the synchronous generator

DC Motor

• Starting method of the DC shunt motor
• Non-load experiment of the DC shunt generator
• Load experiment of the DC shunt & compound generator
• Load experiment of the DC shunt & compound motor
• Efficiency measurement of DC shunt motor by loss separation method
• Forward / Reverse operation method of DC motor

1 Phase Transformer

• Measuring Coil Resistance of Transformer
• Measuring Coil Resistance of Transformer
• Impedance of TransformerCurrent Ratio and Impedance of Transformer
• Voltage Regulation Curve of Transformer
• Polarity of Transformer
• No-Load & Load Experiment of a 1 Phase Transformer
• Short Experiment of a 1 Phase Transformer
• Parallel Operation of a 1 Phase Transformer