Electrical Power Measurement Training System Benchtop
(CW104)

1 Three-phase inverter section 2 Phase shifting transformer section 3 AC power analyzer 4 DC voltage digital display 5 DC current digital display 6 Variable three-phase AC source 7 Variable DC source 8 Motor protection switch 9 Under-voltage indication LED 10 Overload indication LED 11 Emergency switch 12 Main ON/OFF power switch 13 Fixed three-phase AC source 14 Resistive load section 15 Capacitive load section 16 Inductive load section

  • Relation Between Line Currents and Phase Currents in Case of Star Connected Symmetric Resistive Load
  • Relation Between Line Currents and Phase Currents in Case of Delta Connected Symmetric Resistive Load
  • Relation Between Line Currents and Phase Currents in Case of Star Connected Asymmetric Inductive Load
  • Relation between Line currents and Phase currents in case of Delta connected Asymmetric Inductive load
  • Relation between Line voltage and Phase voltage for Star-connected three-phase AC source
  • Relation between Line voltage and Phase voltage for Delta-connected three-phase AC source
  • Relation Between Active Power, Reactive Power, Apparent Power and Power Factor for Star
  • Connected Symmetric Resistive-Inductive Load
  • Relation between active power, reactive power, apparent power for Asymmetric Star
  • Connected Resistive-Inductive Load
  • Power factor correction for Resistive-Inductive loads using Capacitor banks
  • Effect of open-Delta AC source (winding/phase failure) on Delta-connected Resistive load
  • Effect of open-Star AC source (winding/phase failure) on Delta-connected Resistive load
  • Effect of open-Star AC source (winding/phase failure) on Star-connected Resistive load
  • Reverse power flow of active power on AC lines
  • Effect of Active Loads on AC Power Lines

AC power analyzer
Power Supply Input

  • 100-240V AC nominal (± 20%)
  • 50 - 60Hz nominal (± 10%)
  • DC input types available.

Power Consumption: < 5 VA

Measurement Input Range

  • Voltage: (5 - 300 V AC (L-N) and 10 - 520 V AC (L-L))
  • Current: 0.1 - 5.5 A AC
  • Frequency: 30 - 500 Hz

Digital displays for DC voltage/current

  • Power supply: 100-240 VAC, 50/60 Hz (90 to 110% of rated voltage)
  • Power consumption: 5 VA
  • Display method: 7 Segment LED display (red)
  • Input: DC voltage/ current, AC voltage/current, AC frequency
  • Max. allowable input: 110% for each measured input range
  • Max. indication range: - 1999 to 9999 (4 digit)

Variable three-phase AC source

  • Number of protected poles: 3
  • Rated current (I_n): 2A
  • Rated operational voltage: acc. to IEC 60947-2 400 V AC
  • Rated ultimate short-circuit breaking capacity (I_cu): (400 V AC) 15 kA
  • Rated service short-circuit breaking capacity (I_cs): (400 V AC) 10 kA

Variable DC source

  • Number of protected poles: 3
  • Rated current (I_n): 2A
  • Network type: AC /DC
  • Trip unit technology: Thermal-magnetic
  • Breaking capacity: 6000 A I_(cN )at 400 V AC 50/60 Hz conforming to EN/IEC 60898-1
  • Rated service breaking capacity (I_cs): 15 kA 75 % conforming to EN 60947-2 - 220...240 V AC 50/60 Hz

Motor protection

  • Adjustable range: 4.5 A to 16 A
  • Three-Phase HP Ratings 230V: 2
  • Instantaneous short circuit release [A]: 82
  • UL short-circuit breaking capacity @ 480V [kA]: 65
  • Electrical Power Measurement (CW104)
  • Hard copy user manual

This trainer has been designed to demonstrate the principle of measuring the active energy & reactive energy. Using three phase power quality meter, power supply & different resistive, inductive & capacitive loads; The student can perform different measurements via the integrated interactive software.

  • The training system is a modular system which consists of a number modules that can perform the required experiments.
  • The training system provide a hands-on training in the field of modern energy system.
  • The training system includes a three-phase variable resistive load, three phase variable inductive load & a three phase variable capacitive load.
  • The unit includes a three-phase adjustable power supply with three phase control lights, three phase power meter and protection against short circuit.
  • The trainer included a software which through it the measured parameters can be displayed and stored.
  • The interactive software that comes with the educational unit is designed to be helpful during experiments, by record readings and making calculations that verifies the performance of the electrical power measurement trainer.
  • The Trainer operating Voltage is three phase 400 V, 50Hz
  • The unit is fixed on four caster wheels with brakes in addition to cables holder & operation module.
  • The training system is electrostatically painted and treated against rust