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Transmission of electrical energy in distribution networks.

Order Code: 19204111.3

Category: General Lab Equipment III

Training equipment transmission of electrical energy in distribution networks parallel and serial circuits of transmission lines. Must Allows to conduct experiments of parallel and serial circuits in distribution networks. Experiments on the ser...



SPECIFICATION

  • Training equipment transmission of electrical energy in distribution networks parallel and serial circuits of transmission lines. Must Allows to conduct experiments of parallel and serial circuits in distribution networks.
  • Experiments on the serial connection of two lines: Measurement of the voltage distribution during the serial connection of two lines of different lengths, determination of the relationship between line length and voltage drop, study of the influence of working capacities on voltages and currents.
  • Experiments on topics: Parallel connection of 2 lines
  • Measurement of current distribution with parallel connection of 2 lines of different lengths.
  • Study of the influence of working capacities on voltages and currents.
  • The kit should consist of:
    1. Power line model 380 kV -2 pcs
    2. Circuit Breaker Module-1pc.
    3. Three-phase transformer-1pc.
    4. Inductive load - 1 pc.
    5. Power analyzer - 1 pc.
  • The delivery set must include all necessary components (set of connecting wires, software, stand frame, etc.)
  • Requirements characteristic of accessories:
  • 380 kV power line model:
  • Three-phase 380 kV overhead power line model for measuring steady-state operating conditions must be with the following technical specifications: four-band set of about 240/40, with a pulse resistance of about 240 Ohms and a natural power of not more than 600 MW, a length of at least 360 km
  • Power switch module must be: 3-phase switch with auxiliary contact for the 380 kV model power line. can be controlled manually using a button or via a changeover contact.
  • The switching status must be indicated by LEDs.
  • Control input for an external trip command.
  • Permissible contact load of 400 V AC, approx. 3 A.
  • Three-phase transformer must be with parameters: Transformer for power supply model 380 kV power line. A scale factor of approximately 1: 1000 for secondary current and voltage.
  • Primary: winding about 3 x 400 V with tap at 230 V.
  • Resistive load must be: three synchronously adjustable circular rheostats, each with a series resistor and a fuse in the sliding contact connection, suitable for different circuits. resistance is approximately 1000 ohms each. The series resistance is approximately three ohms each with 22 ohms.
  • Inductive load must be: three inductors with different outputs for approximately 0.2 / 0.4 / 0.6 H (0.65 A), 0.8 / 1.0 / 1.2 H (0.5 A) and 2 , 4 / 4.8 / 6.0 H (0.25 A), suitable for parallel, sequential, star-shaped and triangular chains.
  • Power analyzer.
  • The power analyzer is must be a combination of an isolated and differential oscilloscope, a multimeter, a wattmeter, an energy analyzer and a recorder.;
  • Averaged voltage, current;
  • RMS values (AC + DC) voltage and current; Fundamental wave filters;
  • Setting up a delta connection.
  • opportunities connectivity: via USB-connection with a personal computer or laptop; via the option of wireless WLAN with a school network or setting up your own access point; automatic or manual range selection.
  • Must have direct sequence component, negative sequence component and zero sequence component in three-phase systems: time derivative, time integral, FFT analysis, average value, histogram and model; Possibility of manual control directly on the device using the rotary switch with cursor keys.
  • Must have backlit display;
    1. Display up to 24 measured values on one display;
    2. Display of all values for each channel;
    3. Display of all values in tabular form;
    4. Display of measured values on a graph;
    5. Display a vector diagram. Have opportunities wireless connection for experimenting with a tablet and smartphone (iOS, Android and Windows). Real-time processing in the device allows you to perform complex network analysis in three-phase networks, which are displayed directly on the device in a vector diagram.
  • Three-phase power supply must be: for switching three-phase power in experiments with electrical loads to a network voltage of 400 V. 4-pole switch .. Motor protection switch 6-10 A. Phase warning lights L1, L2, L3. Network cable with plug.
  • Equipment must comply with applicable standards. Acceptable "variations ± 15% of the required parameter values, provided that such changes do not affect the intended functionality of the equipment"

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