List of Figures

Figure 19-1	Sample of Rating Plate (Son La HPP: Turbine-Generator Unit).................................	27
Figure 19- 2	Sample rating plate of generator..................................................................................	31
Figure 20-2	Dimensions of Color Band & Directional Arrow........................................................	40
Figure 21-1	Sample of record and indication of parameter for operation.......................................	47
Figure 21-2	Indication of Parameter for Control Boards (Fault indicator: 30F and Operation
	indicator: 30S) .............................................................................................................	48
Figure 22-1	System configuration example of Load dispatch center..............................................	52
Figure 22-2	Example of installation of equipment with a record (Hydropower plant 1/3).............	53
Figure 22-3	Example of installation of equipment for record (Printer) (Hydropower plant
	2/3)...............................................................................................................................	53
Figure 22-4	Example of installation of equipment for record (Monitoring system)
	(Hydropower plant 3/3) ...............................................................................................	54
Figure 22-5	Example of installation of equipment for record (Thermal Power Plant) ...................	55
Figure 24-1	Process flow of registration of boiler and pressure vessel...........................................	57
Figure 25-1	Example of installation of equipment for Cameras system .........................................	59
Figure 33-1	Example of Installation of Fire Prevention Equipment ...............................................	65
Figure 33-2	Example of Principal Diagram of Fire Alarm Network...............................................	65
Figure 38-1	Powerhouse-Waste Water Disposal System in Hydro-power Plant.............................	68
Figure 93-1	Changeable Operation Rule.......................................................................................	113
Figure 95-1	Sequence Diagram of Protection System ..................................................................	114
Figure 98-1	Cross-section of Francis Turbine (An example of Turbine Pit of Hydraulic
	Power Plant) ..............................................................................................................	115
Figure 114-1	Coal feeding system ..................................................................................................	131
Figure 116-1	Oil unloading and storage system..............................................................................	133
Figure 125-1	Measuring method of electrical potential of underground pipeline in terms of
	ground........................................................................................................................	141
Figure 125-2	Measuring method of corrosion of underground pipeline .........................................	142
Figure 128-a1-1 LNG receiving terminal.............................................................................................		148
Figure 134-1	Process flow of no flow coal at bunker chute............................................................	158
Figure 134-2	Process flow of Lack of coal at coal feeder...............................................................	159
Figure 135-1	Configuration of measuring of flow velocity ............................................................	161
Figure 135-2	Configuration of sampling.........................................................................................	161
Figure 136-1	PAF system................................................................................................................	163
Figure 142-1	Classification of water treatment...............................................................................	176
Figure 142-2	Status of scale (Schematic view) ...............................................................................	177
Figure 143-1	Main process flow of furnace purge ..........................................................................	178
Figure 144-1	Water level.................................................................................................................	179

Figure 145-1	Sample of unit starting flow (cold mode)..................................................................	181
Figure 151-1	Main process flow of run back system at stopping FDF ...........................................	191
Figure 157-1	Sample of dual structure............................................................................................	202
Figure 159-1	Sample of unit stopping flow.....................................................................................	204
Figure 163-1	Sample behavior of steam turbine at load dump .......................................................	210
Figure 170-1	Sample countermeasure (Bypass of No.3 and 4 heater) ............................................	219
Figure 171-1	Sample countermeasure (Stopping of high pressure heater A (No.1) system) ..........	221
Figure 176-1	Countermeasure in case that left MSV is stuck .........................................................	229
Figure 176-2	Countermeasure in case that No.1 CV is stuck..........................................................	230
Figure 176-3	Countermeasure in case that operation of CV is fluctuated.......................................	231
Figure 176-4	Co untermeasure in case of boiler tube leak ..............................................................	232
Figure 178-1	Sample operation procedure at overload ...................................................................	234
Figure 182-1	Comparison between Unit-type and Not Unit-type power plant ...............................	239
Figure 186-1	Sample of fuel distribution of low NOx combustor ..................................................	244
Figure 197-1	Sample of purging procedure of gas turbine..............................................................	255
Figure 198-1	Sample of starting process flow of gas turbine..........................................................	256
Figure 200-1	Countermeasure in case that main fuel valve is stuck ...............................................	259
Figure 202-1	Process flow of purging fuel header by nitrogen.......................................................	261
Figure 208-1	Point to be checked when going up vibration of gas turbine.....................................	264
Figure 210	An example of electrical connection of a diesel generator........................................	265
Figure 214	An example of diesel generator start-up and shutdown.............................................	273
Figure 216	An example of fuel pipe line .....................................................................................	275
Figure 217-1	An example of check points of pneumatic control equipment ..................................	277
Figure 217-2	An example of front view of electronic automatic control equipment ......................	277
Figure 217-3	An example of redundant instrumentation ................................................................	278
Figure 217-4	An example of air flow failure ..................................................................................	279
Figure 218-1	An example of power supply using CVCF................................................................	280
Figure 218-2	An example of redundant system of DC and AC power supply................................	281
Figure 219	An example of insulation resistance measurement....................................................	283
Figure 222-1	Concept of operation, control, protection..................................................................	284
Figure 223	Examples of signal flow ............................................................................................	286
Figure 242-1	Measuring point of vibration of pump.......................................................................	297
Figure 242-a1-1 Countermeasure in case of rise in NOx concentration ..............................................		298
Figure 243-1	Countermeasure in case of rise in dust content .........................................................	299
Figure 245-1	Process flow of coal ash ............................................................................................	300
Figure 251-1	An example of brushless exciter................................................................................	307
Figure 251-2	An example of commutatorless exciter .....................................................................	307
	vi

Figure 251-3	An example of static exciter ......................................................................................	308
Figure 252	An example of nitrogen seal system..........................................................................	311
Figure 253	An example of hydrogen cooled generator................................................................	312
Figure 256	An example of hydrogen supply system....................................................................	314
Figure 257	An example of seal oil system...................................................................................	315
Figure 260	An example of current on the rotor surface caused by negative-sequence
	current........................................................................................................................	316
Figure 261	An example of thyristor starting system....................................................................	318
Figure 262-1	An example of generator capability curve.................................................................	319
Figure 262-2	An example of magnetic flux at generator stator core end........................................	320
Figure 264-1	An example of H2 supply unit ...................................................................................	323
Figure 264-2	An example of hydrogen replacement.......................................................................	324
Figure 279-1	Structural drawing of Rubber bag type conservator ..................................................	334
Figure 279-2	Structural drawing of diaphragm type conservator....................................................	334
Figure 287	Safety range of OPL for tree......................................................................................	337
Figure 288	Drainage Pump and leakage oil detectors..................................................................	338
Figure 290	Abnormal Image of overheat of connection point (by Infrared camera)...................	338
Figure 291	Example of interlock system .....................................................................................	339
Figure 294	Image of the indicators of switch gear.......................................................................	340
Figure 311	Sample Image of Protective ropes.............................................................................	347
Figure 312	Sample of warning plate............................................................................................	348
Figure 335	Excavation Area needs Engineer's Presence from management unit ........................	356
Figure 376-1	An Example of process flow diagram of electrolytic hydrogen production
	system........................................................................................................................	372
Figure 379-1	An Example of valves installation.............................................................................	375
Figure 410-1	Attachment example to various switches ..................................................................	401
Figure 410-2	Attachment example to equipment state and fault indicator .....................................	401

vii

	List of Photos
Photo 20-1	Sample numbering busduct and control panel.............................................................	32
Photo 20-2	Example of Directional Arrow1 ..................................................................................	40
Photo 109-1	Stacker .......................................................................................................................	126
Photo 109-2	Reclaimer...................................................................................................................	126
Photo 109-3	Belt conveyor.............................................................................................................	127
Photo 110-1	Unloader ....................................................................................................................	128
Photo 111-1	Coal stock yard..........................................................................................................	129
Photo 116-1	Heavy oil tank............................................................................................................	132
Photo 117-1	Temperature gauge ....................................................................................................	133
Photo 121-1	Foam fire extinguishing system.................................................................................	138
Photo 121-2	Dry chemical extinguishing system...........................................................................	138
Photo 127-1	Contact combustion type sensor................................................................................	144
Photo 127-2	Semiconductor type sensor........................................................................................	145
Photo 127-3	Hot-wire semiconductor type sensor .........................................................................	145
Photo 127-4	Gas heat conduction type sensor ...............................................................................	145
Photo 128-a1-1	LNG storage tank ......................................................................................................	148
Photo 128-a2-1	Vaporizer....................................................................................................................	149
Photo 128-a3-1	Gas compressor .........................................................................................................	151
Photo 128-a4-1 Liquefied gas pump ...................................................................................................		151
Photo 131-1	Coal pulverizer ..........................................................................................................	156
Photo 135-3	Pump unit...................................................................................................................	161
Photo 140-1	Effect of cleaning of boiler........................................................................................	167
Photo 149-1	Creep damage ............................................................................................................	185
Photo 149-2	Fatigue damage..........................................................................................................	185
Photo 150-1	Soot blower................................................................................................................	188
Photo 151-1	FDF and IDF..............................................................................................................	190
Photo 152-1	De-NOx equipment ...................................................................................................	193
Photo 152-2	Catalyst......................................................................................................................	193
Photo 152-3	Electric precipitator ...................................................................................................	194
Photo 152-4	Electric precipitator (inner and outer structure).........................................................	195
Photo 152-5	De-SOx equipment (Absorber)..................................................................................	197
Photo 153-1	Oil burner...................................................................................................................	198
Photo 154-1	Non-water absorbing property of thermal insulation.................................................	199
Photo 165-1	Main stop valve .........................................................................................................	211
Photo 165-2	Re-heat stop valve .....................................................................................................	211
Photo 165-3	Control valve .............................................................................................................	212
	viii

Photo 167-1	Extraction non-return valve.......................................................................................	215
Photo 168-1	Turbine oil feeding system ........................................................................................	215
Photo 170-1	Heat exchanger system ..............................................................................................	220
Photo 180-1	Circulating water pump .............................................................................................	237
Photo 180-2	Rotary screen.............................................................................................................	237
Photo 180-3	Seawater booster pump..............................................................................................	237
Photo 181-1	Cooling tower ............................................................................................................	239
Photo 188-1	Thermocouple............................................................................................................	245
Photo 191-1	Air intake room..........................................................................................................	248
Photo 191-2	HEPA filter ................................................................................................................	248
Photo 225- 1	Feed-water treatment system.....................................................................................	288
Photo 225-2	Condensate demineralizer..........................................................................................	288
Photo 225-3	Chemical pump..........................................................................................................	289
Photo 228-1	Wastewater treatment equipment...............................................................................	291
Photo 236-1	Steam turbine.............................................................................................................	295
Photo 236-2	LNG piping................................................................................................................	295
Photo 245-1	Slag disposal system (Chain conveyor type).............................................................	300
Photo 245-2	Fly ash disposal system (Vacuum transportation system) .........................................	301
Photo 247-1	Ash pond....................................................................................................................	303

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Соседние файлы в папке Guide

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28.12.20233.74 Mб4Vol 1-Designing Regulation of Network.pdf
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28.12.20231.67 Mб1Vol 3-Construction-Power grid.pdf
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28.12.20236.05 Mб1Vol 4-Operation - Plants and Grid.pdf
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28.12.20235.43 Mб1Vol 5-Inspection.pdf

List of Figures

List of Photos