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The main mission of this project is to design and build a tap changer which is going to be fitted to power transformers for regulation of the output voltage to required levels for the Micro Grid. The tap changer system will consist of 9 changers with a 4v step having 9 switches/ Relays. 5 relays will be in the first stage, second stage consist of 3 relays, third stage has got 2 relays and the final stage has 1 relay. The voltage range of the tap changer 399- 431, Tap changer will perform step-up or step-down duties depending on what is requires. ( Tap1-399volts, Tap2 403volts, Tap3 407volts, Tap4 411volts, Tap5 415volts, Tap6 419volts, Tap7 423volts, Tap8 427volts, Tap9 2311volts. ) Im using vhdl programme to control the switches( switch1 to switch 9) using Spartan 3 board and displaying the selected switch on the board. I have written a bit of the the code which is at the bottom and im completely stuck I just need help in finishing the code and have attached the .vhd files well. You are my last hope ?
Download:- UPDOWNCOUNTERHOLD .rar
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