ps-peps

Power and protection panel

This protective didactic power module is suitable for three-phase power supply of power converters and electrical machines. This module ensures the protection of the systems that power it

Features

  • Input voltage 3x230/400V eff AC.

  • Output voltage 3x230/400V eff AC.

  • DC voltage ±15V 3A.

  • Current 10A AC.

  • 6-16A adjustable overload protection, short circuit and differential. 

  • Outputs secure terminals 4mm.

  • Outputs three-phase socket 4x16A. 

  • Emergency shutdown

  • DIN A4 case.

em-petr

 Separation transformer unit

The three-phase separation transformer didactic module serves as a mains power supply for all experiments on power electronics. Multiple output voltages may be available. 

Features

  •  Input voltage: 3x 400V, 50 Hz

  •  Output voltage 3: 3x 96 V with central socket 48 V

  •  Power: 400 VA/1300VA

  •  Dual protection: fuses and differential interpreters 

ele-psw

Power switch

ELE-PSW module can be switch on and offmanually or automatically

Features

  • Nominal voltage: 200-400V, 50/60Hz
  • Control voltage: 24V
  • Nominal operating current: 16A, ohmic
  • Functions: 2 pushbutton switches and remote control for switch-off relay
  • Indicators: signal lamps for "on" and "off"
  • Contacts: 3 power and 2 auxiliaries
  • Inputs/outputs: 4mm safety sockets
  • Dimensions : 297 x 150 x 100mm

ele-efc

Earth fault compensation unit

ELE-EFC earth fault compensation unit is connected between the neutral line and the earth to compensate the capacitive earth-fault current by selecting the correct inductance. The unit can be adjusted to variable settings in order to facilitate matching of the earth-fault inductors to the various switching states of the power supply system.

Features

  • Nominal voltage: 230V
  • Max. current: 0,5A
  • Coil: 1.0 to 2.0H, 9 variable stages
  • Inputs/outputs: 4mm safety sockets
  • Dimensions : 297 x 150 x 100mm ​​​​​​​

ele-apl

Air power line 

L'ELE-APLis a three-phase line simulation of a high voltage overhead power line with different lengths for measuring various operational states (open-line, matched, short-circuit). Scale factor 1/1000 for current and voltage. Automatic modification of wire length as soon as the corresponding overlay is in place.

Features

 

  • Transmission line length: 100km, 150km or 300km
  • Resistance per phase: 2.4Ω, 3.6Ω and 7,2Ω
  • Inductance per phase: 77mH,115mH and 230mH
  • Capacity per phase:
    Line-to-line: 2 x 150nF 300nF
    Line-to-ground: 2 x 0,55µF 1,1µF
  • Max power consumption: 1kW
  • Voltage: 3x 400V; 50Hz
  • Current: 2A
  • Inputs/outputs: 4mm safety sockets
  • Dimensions : 297 x 300 x 100mm

ele-3ps

Variable three-phase power supply module

μTECH LAB offers the variable three-phase power supply module suitable for supplying machines with AC. The output voltage is adjustable by means of a variable transformer with handle and scale marked from 0 to 100%. 

Features

• Differential magnetothermal general switch, 16 A, 30 mA.
• Key-controlled emergency stop button.
• Start and stop pushers
• Circuit breaker of the motor protection circuit: from 6.3 to 10 A.
• Multifunctional digital instrument that provides voltage, current and power
• Output in AC: 3 x 0 ... 380 V, 8 A
• DC output: 0...500 V, 8 A
• The output voltage is adjustable by means of a variable transformer with handle and scale marked 0 ... 100%.
• Supply voltage: three-phase network.

ele-res

Resistive Load 

The resistive load offered by μTECH LAB is composed of three resistors with seven positions each. The resistors give the possibility of connection to star, triangle and parallel, controlled by three switches.

Features

• Three resistors with 7 positions each controlled by three switches.

• Energy in single-phase or three-phase connection: 1200 W

• Rated voltage: 380/220 V Y/D

• Nominal single-phase voltage: 220V

ele-ind

Inductive Load 

The inductive load offered by μTECH LAB is composed of three inductors with seven positions each. The inductors give the possibility of connection to star, triangle and parallel, controlled by three switches.

Features

• Three inductors with 7 positions each controlled by three switches.
• Energy in single-phase or three-phase connection: 900 VAR
• Rated voltage: 380/220 V Y/D
• Nominal single-phase voltage: 220 V

ele-cap

Capacitive Load 

The capacitive charge offered by μTECH LAB is composed of three capacitors with seven positions each. The capacitors give the possibility of connection to star, triangle and parallel, controlled by three switches.

Features

• Three capacitors with 7 positions each controlled by three switches.
• Max. energy in single-phase or three-phase connection: 900 VAR.
• Rated voltage: 380/220 V Y/D.
• Nominal single-phase voltage: 220V.
 

ele-vr

Variable three phase resistive Load 

ELE-VR Three synchronously adjustable circular rheostats (step winding) with scale (100 - 0%), each with a series resistor and fuse in the sliding-contact connection, suitable for parallel, series, star and delta circuits.

Features

  • For parallel, series, star and delta circuits

  • Resistance: 3 x 750 Ohm
  • Current: 3 x 2 A
  • Inputs/outputs: 4mm safety sockets

  • Dimensions : 297 x 300 x 100mm

ele-itcr

Overcurrent Inverse Time Relay 

Three-phase ground overcurrent and fault relay with programmable current-time curves for the protection of power distribution systems with neutral insulated to ground or compensated.

Features

  • • Selectable input rated current 1A or 5A, 50/60 Hz.
    • Connection by 3 CT. Three independent elements of overcurrent. 
    • Three elements of defect to earth.
    • Circuit breaker failure protection.
    • Registration of multiple events. 
    • Oscillatographic waveform capture

ele-ovr

Time Overcurrent Relay 

The training panel ELE-OVR equipped with digital, over- and undervoltage relay (industrial model) is used to monitor single and three-phase power systems. The pick-up values and release times for initiating the over- and undervoltage trip, are individually adjustable.

Features

  • Voltage : 100V/110V/230V/400V
  • Frequency: 45-65Hz
  • Reset ratio: Adjustable, via the hysteresis
  • Release time: 300ms
  • Response time: 300ms, minimum
  • Output relay:Nominal current: 5A
  • Potentiometer controls:
    for V</VN 70%...110%
    for V>/VN 90%...130%
    for t 0s...10s
    for differential 2%...10%
  • Inputs/outputs: 4-mm safety sockets
  • The integrated RS 485 interface is suitable for setting the relay parameters.
  • Dimensions : 297 x 300 x 100mm ​​​​​​​

ele-Dtcr

Definite time overcurrent relay 

Relay to examine the current of a three-phase load (such as a motor) and to perform protection with alarm.

Features

  • • Maximum set point, divided into 10 parts
    • Timer (0.1 ... 6 (s).
    • The delay time barely leaves the current exceeds the maximum set point.
    • Initial timer (0.1 ... 6 (s).
    • The timer activates when the current exceeds 5% of the maximum range.
    • Current range: 0.25 ... 5 A with direct insertion (galvanic isolation).
    • For higher current of 5 A one must use CT.../5 A external
    • One exchange contact: 5 A / 230 Vac with resistive load.
    • NC contacts: device not powered or alarmed.
    • Power supply: single-phase network.

ele-efr

Definite time overcurrent relay 

Overcurrent and ground fault relays with programmable time-current curves for the protection of power distribution systems with isolated-to-ground or compensated neutral.

Features

• Nominal input current selectable 1A or 5A, 50/60 Hz.
• Three phase fault elements.
• Three earth fault elements.
• Circuit breaker failure protection.
• Control of the power switch activation by serial port.
• Registration of multiple events.
• Capture of the oscillographic waveform.

ele-dpr 

High speed distance protection relay 

ELE-DPR is High-speed distance protection is used for selective short-circuit protection in high voltage systems. In conjunction with transmission line simulation lines, all relevant situations can be simulated.

Features

Voltage: Unom = 110V ±10%

Current: Inom. = 1A

Inputs/Outputs: 4mm safety sockets


In/Outputs:

-5 Inputs

-4 Outputs

-5 Relays

Measuring:

-Current

-Voltage

-Power factor

-Active power

-Reactive power

Dimensions : 297 x 300 x 100mm ​​​​​​​

ele-ppr 

Power and reverse power  relay 

ELE-DPR is a power and reverse power relay used for selective short-circuit protection in high voltage systems. In conjunction with transmission line simulation lines, all relevant situations can be simulated.

Features

  • Nominal voltage: 100V, 110V, 230V, 400V
  • Nominal frequency: 35-78Hz
  • Working range of power detection:
    - voltage circuit: 40....130% UN
    - current circuit: 0...120% IN
  • Thermal load capacity:
    - voltage circuit: 520V/AC
    - current circuit: 4x IN
  • Output relay:
    Nominal current: 5A
  • Adjustment ranges:
    PR > 1.... 30% PN
    P> 1....120% PN
    tPr 0....10s/0...100s
    tP 0....10s/0...100s
  • Inputs/outputs: 4mm safety sockets
  • The integrated interface RS 485 is suitable for setting the relay parameters.

  • Dimensions : 297 x 300 x 100mm ​​​​​​​

ele-todr

Time overcurrent relay with directionnal feature 

The ELE-TODR is Training panel with digital overload and short-circuit protection for electrical machines and cables in meshed networks. The relay parameters can be set manually or in conjunction with a PC.

Features

  • Un: 400V
  • Nominal current: IN=1A
  • Setting ranges:
    I>: 0.5-2.0x IN/tI>: 0-100s
    I>>: 1-15x IN/t>I>: 0-2.5s
  • Tripping characteristics:
    - normal inverse
    - very inverse
    - extremely inverse
    - independent
  • Inputs/outputs: 4mm safety sockets
  • The integrated interface RS 485 is suitable for setting the relay parameters.
  • Dimensions : 297 x 300 x 100mm ​​​​​​​

ele-bcu

Brake control unit 

The powder brake control unit measures the speed of rotation and the developed torque of an electric motor. It also provides the excitation voltage for the brake. Speed ​​and torque are displayed by on-board instruments.

Features

• Speed ​​section: analog instruments with 40 divisions, class 1.5. (Digital instrument optional)

• Speed ​​ranges: 2000 - 4000 - 6000 rpm, with switch.

• Torque section: analog instruments with 50 divisions, class 1.5. (Digital instrument optional)

• Torque range: 10-20-30 Nm, with switch.

• Brake power section: Output: 0 to 20 Vdc, 1 A.

• Supply voltage: 230 V, 50/60 Hz.

ele-tor

Time overcurrent relay

The Time overcurrent relay panel ELE-TOR contains a digital, three-phase overcurrent time relay. An integrated program is responsible for a self-test and the tripping test. The relay has three inverse current characteristics (normal, severely inverse and extremely inverse). The relay parameters can be set manually or in conjunction with a PC.

Features

  • Thermal load capacity of current circuit:
    Surge current (half-wave) 250x IN
    for 1s 100x IN
    for 10s 30x IN
    continuous 4x IN
  • Output relay:Nominal current: 5A
  • Trip parameters:
    I > 0.5-2x IN
    I > 1-15x IN
    tI > 0-100s
    tI > 0-2.5s
  • Inputs/outputs: 4mm safety sockets
  • The integrated interface RS 485 is suitable for setting the relay parameters.
  • Dimensions : 297 x 300 x 100mm