Higher Education Department Tender

Equipment & setup required for Electrical Machines I lab a. Study of the characteristics of a compound D.C generator (short shunt) [See annexure-1A for detail specification] b. Measurement of the speed of a D.C series motor as a function of load torque [See annexure-1B for detail specification] c. Polarity test on a Single- Phase Transformer [See annexure-1C for detail specification] d. Study of parallel operation of single-phase transformer. [See annexure-1D for detail specification] e. Determination of temperature rise and efficiency of the transformer (back to back test) [See annexure-1E for detail specification] f. Study of three-phase transformer connections. [See annexure-1F for detail specification]

Equipment & setup required for Electrical Machines II lab. a. Different method of starting of 3- Phase Sq. cage induction motor & their comparison (DOL starter, Star-Delta Starter, Auto transformer Starter). [See annexure-2A for detail specification] b. Study of Performance of Wound Rotor Induction Motor under load. [See annexure-2B for detail specification] c. Determination of iron loss, friction loss and windage loss of 3-phase induction motor [See annexure-2C for detail specification] d. Speed control of three phase slip ring Induction motor by rotor resistance control. [See annexure-2D for detail specification] e. Determination of regulation of synchronous machine by (i) Potier reactance method.(ii) Synchronous Impedance method. [See annexure-2E for detail specification] f. Determination of equivalent circuit parameters of a single phase Induction motor. [See annexure-2F for detail specification] g. Load test on single phase Induction motor to obtain the performance characteristics. [See annexure-2G for detail specification] h. To determine the Direct axis reactance (Xd) & Quadrature axis reactance (Xq) of three phase synchronous machine by slip test. [See annexure-2H for detail specification] i. Parallel operation of 3 phase Synchronous generators. [See annexure-2I for detail specification] j. V-curve of Synchronous motor. [See annexure-2J for detail specification] k. Load test on wound rotor induction motor to obtain the performance characteristics. [See annexure-2K for detail specification] l. To make a connection diagram of a full pitch & fractional slot winding of an 18 slot Sq. cage induction motor for 6 pole and 4 pole operation. [See annexure-2L for detail specification] m. To study the performance of the Induction generator. [See annexure-2M for detail specification]

Equipment & setup required for Power System I lab. a. Study of distribution system by DC network analyzer [See annexure-3A for detail specification] b. Measurement of earth resistance by earth tester [See annexure-3B for detail specification] c. Determination of dielectric strength of insulating oil. [See annexure-3C for detail specification] d. Determination of breakdown strength of solid insulating material [See annexure-3D for detail specification] e. Study of active and reactive power control of alternator. [See annexure-3E for detail specification] f. Determination of dielectric constant, tan delta, resistivity of transformer oil. [See annexure-3F for detail specification]