Description
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Shunt Active Filter Trainer
Specification
• FPGA Spartan 3A DSP board used for generating the PWM signals.
• Three phase 3 level diode clamped inverter used as a Active filter.
• SRF (or) Instantaneous PQ theory will be used to generating reference current.
• PI control or fuzzy logic will be used to regulate the dc link capacitor voltage.
• Reference DC link Voltage will be 250V.
• Hall effect current transducers used to sense the source currents, load currents and compensation currents.
• Hall effect voltage transducers used to sense the dc link voltage and source voltages.
• Necessary source inductor and filter inductor provided.
• Input source Line voltage -200V (Peak).
• Input source Current -10A (Peak).
• Power Rating -3KW.
• Reactive power compensation can be provided.
• 3KW linear and non-linear loads will be given.
• User can modify source, filter inductance and external loads.
• User can modify control algorithm.
• Industrial type cabinet provided.
• Before compensation source current THD will be greater than 26%
• After compensation source current THD
– 2.5 – 4% in 3 level inverter
– 4 – 5% in 2 level inverter
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three-phase-flying-capacitor-5-level-inverter-power-module
Specification
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HVDC Transmission Line Simulator
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HVDC Transmission Line System consists of
• Generating Station Module • Rectifier Station Module (SCR or IGBT Based) • Simulated HVDC Transmission Line Module • Inverter Station Module • Loading ModuleGenerating Station Module
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• Two no’s of fully controlled SCR based bridge rectifiers provided to convert 3Φ AC to DC for HVDC transmission. • Two 6 Pulse SCR bridges connected in series • Can be configured as 12 Pulse Rectifier • A 3Φ, 1.5KVA transformer with (Y) primary and dual (Δ, Y) secondary are provided to reduce harmonics • The module is covered with metallic enclosure and sticker represents the prime operation of the module.
Six Phase Power Analyzer
Specification
• 6 phase measurement @ 50Hz • 6 voltage inputs (250V AC max., 50Hz) & 6 AC current inputs (5A max) • Zero crossing output for both voltage and current waveforms • 6Nos of phase sensing circuits provided to measure the phase difference of 2 waveforms • Signal Conditioning for Torque & Speed (QEP, Proximity, Optical) • After Signal Conditioned, 6 voltage outputs, 6 current outputs, 12 zero crossing outputs & 6 phase sensing outputs are terminated at 34 pin and 26 pin FRC connectors • Power input through banana sockets • Housed in a sleek cabinet
Flexible AC Transmission Systems
Three phase FACTS help the students to get insight of FACTS operation in Realtime by enhancing their understandings through various experiments. This module can be used to analyze the effect of shunt compensation (STATCOM- STATIC Compensator) series Compensation (SSSC - Static Synchronous Series Compensator) and Series - Shunt Compensation (UPFC - Unified Power Flow Controller) in the transmission line.
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