Appendix I

Central Station and utility  systems, base load and peaking stations, concept of unit system, typical thermal cycles, parameters, heat rates, fuel rates, steam rates, typical heat balance of boiler, turbine and generator.

(i) Water and steam drums, heaters and tubes.

(ii} Types of furnace and firing arrangement, burner details.

(iii) Economisers, primary, secondary , superheaters, reheaters
and attemperators.

(iv) Forced draught, Induced draught, primary Air exhaustor
and gas re-circulation fans, compressors.

(v) Types of coal mills, (ball/recess, balltube, bowl roller)
stoker, coal feeders.

(vi) Air preheaters, Lunstorm, tubes, steam.

(vii) Dust extraction plant electrostatic, mechanical.

(viii) Soot blowers : steam/ compressed air operated.

(ix) Station compressed air system-reciprocating and rotary
compressors.

(x) Oil handling and firing equipment.

(xi) Boiler mountings, gauge glasses, safety valves, stop
valves, start-up devices stampling, chemical dosing,  continuous blow down.

(xii) Refractories and laggings as used in modern power
stations.

(i) Principle of operation, heat conversion cycles, types of

(ii) Casing steam chests, wheel blading, nozzels, diaphragms,

(iii) Condenser and vacuum extraction plant, ejectors.

(iv) Lubrication system, pumps, coolers, filters, shaft turbine

(v) Feed water booster and extraction and cooling water

(vi) Low pressure and high pressure feed water heaters, deaerators and evaporators.

(vii) High and low power by-pass systems

(viii) Oil purification unit.

(i) Constructional details of alternators, methods of cooling
(Hydrogen/ air cooling).

(ii) Main and pilot excitors voltage regulators, types and characteristic, amplifier and magnetic amplifier.

(iii) Methods of grounding.

 Tippler, hoppers, vibratory feeders and conveyors" crushers, magnetic separators and pulleys

Raw water pumping station,  domestic, circulating and boiler makeup water treatment, River salinity, local water conditions, their variations in different seasons and effects on power station operations.

Solid, liquid and gaseous fuel analysis. 
(ii) Coal-types and suitablility for different kinds of boilers-
alterations in firing methods due to change of coal composition.
 

(i) Coal and fuel oil cycle.
(ii) Air and gas cycle.
(iii) Fly ash and slag handling arrangements.1
(iv) Condensate and feed heating cycle (from condenser
hotwell up to economiser).
(v) Steam and water cycle (from economiser to turbine inlet).
(vi) Circulating water cycle.
(vii) Hydrogen filling in generator and hydrogen gland
sealing of generator.
(viii) Bearing cooling system.

 Main transformers, interconnecting  transformer, station/unit transformers, voltage grounding transformers, types of connections paralleling top-changer gear.

 Types bulk oil, minimum oil, air blast, air break constructional details.

 Constructional details of  measuring instruments for pressure, flow, temperature, level, draught, vibration, eccentricity, conductivity, pH Value, differential expansion, oxygen analyser, current, power, reactive power, frequency, energy, winding temperature.  Auto-controllers, hydrogen purity meter, Axial shift indicator and recorder, flue gas analysers, Megger-its use for primary detection of faults.

(i) General boiler start-up procedure

(ii) Operation of boilers under different loading conditions,

(iii) Banking and preservation of boilers.

(iv) Demonstration wherever possible through simulators of

(v) Handling of boiler under emergency conditions, (such as

(vi) General start-up procedure for high pressure multi-

(vii) Handling of turbine, generator and auxiliary plant under feed water heater high levels, excessive vibration, water or oil

(viii) Alternator-synchronising, loading, parallel operations,  

(i) Boiler and auxiliaries 2

(xii) Stream temperature control

(xiii) Furnace purging