	Table of Contents
Chapter 1 Comparison between technical guideline and technical regulation of electrical facility		...1
Chapter 2 Each Items of Guideline.....................................................................................................		8
Section 1 General of the Electrical Facilities..................................................................		8
Section 2 Installation of the Electrical Facilities for the Power Supply........................		34
Section 3 Electrical Facilities in Demand Site..............................................................		60
Section 4	Measurement Equipment ..............................................................................	70
Section 5	Protection Equipment..................................................................................	123
Section 6	SCADA/EMS System.................................................................................	150
Chapter 3 Reference International Technical Standards .................................................................		184
	List of Tables
Table- 1 Comparison between technical guideline and technical regulation of electrical facility ..................		1
Table- 2 Insulation of electric power line whose voltage is exceeding 1kV.................................................		10
Table- 3 Insulation of transformers................................................................................................................		11
Table- 4 Insulation of a rotating machine .....................................................................................................		12
Table- 5 Insulation of a switch and circuit-breaker.......................................................................................		13
Table- 6 Insulation of lightning-surge absorption type capacitors................................................................		13
Table- 7 Standards for cables whose voltages are less than 11kV ................................................................		14
Table- 8 Assumed weight on the wire...........................................................................................................		15
Table- 9 Safety factor....................................................................................................................................		16
Table10 Standards for extension and compensating cables........................................................................		16
Table11 Standards for optical fiber cables..................................................................................................		16
Table12 Standards for mineral insulated thermocouple cables...................................................................		17
Table13 Separation from wooden walls or ceilings or other inflammabilities ...........................................		20
Table14 Grounding of the metal stand and enclosure.................................................................................		21
Table15 Operating time of over-current breaker ........................................................................................		23
Table16 Installation of ground-fault shutdown device ...............................................................................		26
Table17 Separation between an overhead wire whose voltage is not less than 11kV and the supporting
......................................................................................................................................................		34
Table18 Sum of a height of a fence, wall, etc and a distance from a charging part to the fence, wall, etc.
......................................................................................................................................................		37
	i

Table19 The height of an overhead wire whose voltage is not less than 11kV ..........................................	40
Table20 Separation between overhead wires and buildings whose voltages are not less than 11kV .........	42
Table21 Construction whose voltage is not less than 11kV for security ....................................................	43
Table22 Separation between over head wires whose voltages are not less than 11kV and over head
lines whose voltages are less than 11kV or and supporting equipment........................................	44
Table23 Separation between over head wires whose voltages are not less than 11kV...............................	45
Table24 Separation between over head wires whose voltages are not less than 11kV and other facilities
......................................................................................................................................................	46
Table25 Separation between underground cables and underground cables of weak current......................	47
Table26 Protection devices for the transformer whose voltage is not less than 11kV................................	54
Table27 Separation between the phase and separation from the ground of bare wires ..............................	54
Table28 Methods of protection...................................................................................................................	67
Table29 Hazardous areas classification ......................................................................................................	67
Table30 Measurement Equipment for Boiler (Recommendations) ............................................................	72
Table31 Automatic control systems for Boiler (Recommendations)..........................................................	85
Table32 Automatic control devices for Boiler (Recommendations)...........................................................	92
Table33 Measurement Equipment for steam turbine (Recommendations).................................................	99
Table34 Examples of EHC control function.............................................................................................	104
Table35 Measurement Equipment for Gas Turbine (Recommendations).................................................	108
Table36 Automatic control systems for combined cycle (Recommendations).........................................	109
Table37 Automatic control devices for combined cycle (Recommendations) ..........................................	113
Table38 Measurement Equipment for Generator (Recommendations) .....................................................	114
Table39 Automatic control systems for generator (Recommendations)....................................................	119
Table40 Measurement Equipment for Transformers (Recommendations)...............................................	121
Table41 Protection for boiler (Mandatory)...............................................................................................	124
Table42 Protection for boiler (Recommendation) ....................................................................................	127
Table43 Protection for Steam Turbine (Mandatory).................................................................................	129
Table44 Protection for Steam Turbine (Recommendations).....................................................................	130
Table45 Protection for Gas Turbine (Mandatory).....................................................................................	131

Table46 Protection for Gas Turbine(Recommendation)...........................................................................	132
Table47 Protection for Generator and Major Transformers (Mandatory).................................................	133
Table48 Protection for Generator and Major Transformers (Recommendations) ....................................	135
Table49 Protections of auxiliary machines (pump) ..................................................................................	141
Table50 Protections of auxiliary machines (Axial flow type fan) ............................................................	141
Table51 Protections of auxiliary machines (Centrifugal type fan) ...........................................................	142
Table52 Protections of auxiliary machines (Axial flow type fan) ............................................................	142
Table53 Examples of SCADA functions ..................................................................................................	159
Table54 Examples of control network standards (Real time Ethernet) ....................................................	177
Table55 An example of SIL and hardware structures...............................................................................	178
Table56 Difference between DCS and SCADA.......................................................................................	180
Table57 Reference International Technical Standards (including national and industrial associations) ..	184
Table58 Reference Vietnamese Technical Regulations ............................................................................	203
Table59 Reference Vietnamese Technical Standards................................................................................	204
Table60 Reference Japanese Technical Standards....................................................................................	207
List of Figures
Fig- 1 Separation from wooden walls or ceilings or other inflammabilities.................................................	20
Fig- 2 Grounding of the second of an instrument transformer......................................................................	21
Fig- 3 An example of installation of discharging unit...................................................................................	22
Fig- 4 An example of installation of ground-fault shutdown devices...........................................................	27
Fig- 5 Grounding methods of cable shield....................................................................................................	30
Fig- 6 Ground loop current ...........................................................................................................................	30
Fig- 7 An example of appropriate installation ..............................................................................................	31
Fig- 8 Twisted pair cables .............................................................................................................................	31
Fig- 9 An example of circuit with the function of noise reduction ...............................................................	32
Fig10 Measuring circuit of power line carrier equipment ..........................................................................	33
Fig11 Distance from a charging part to a fence, wall, etc. .........................................................................	37
Fig12 Installation of machinery or equipment or buses installed outdoors................................................	39

iii

Fig13 Identifications of phase ....................................................................................................................	42
Fig14 An example of approach...................................................................................................................	43
Fig15 An example of cross.........................................................................................................................	44
Fig16 Separation between underground cables ..........................................................................................	47
Fig17 Separation between underground cables and weak current cables...................................................	47
Fig18 An example of arrester installations .................................................................................................	56
Fig19 Examples of cable installation underground ....................................................................................	58
Fig20 An example of installation in an area with much dust......................................................................	66
Fig21 Concept of operation, control and protection...................................................................................	70
Fig22 Resistance thermometer sensors.......................................................................................................	75
Fig23 Type of orifice ..................................................................................................................................	77
Fig24 ISA 1932 flow nozzle.......................................................................................................................	78
Fig25 The Venturi tube ...............................................................................................................................	78
Fig26 Transmitter and restrictor .................................................................................................................	79
Fig27 Oval gear type meter ........................................................................................................................	80
Fig28 Area type flow meter (Float type) ....................................................................................................	80
Fig29 Principle and configuration of the zirconia ......................................................................................	82
Fig30 Principle of the infrared analyzers....................................................................................................	83
Fig31 Principle and configuration of chemiluminescence type analyzers..................................................	84
Fig32 Configuration of boiler control ........................................................................................................	86
Fig33 Relationship between boiler control and process values (Drum boiler)...........................................	87
Fig34 Relationship between boiler control and process values (Once –through boiler) ............................	87
Fig35 An example of Automatic Plant Control (abstract) ..........................................................................	89
Fig36 An example of a turbine speed measurement...................................................................................	97
Fig37 An example configuration of control valves and sensors...............................................................	101
Fig38 An example of turbine supervisory instruments around the turbine shaft......................................	102
Fig39 An example of Electric Hydraulic Control flow.............................................................................	104
Fig40 An example of turbine control system............................................................................................	105
Fig41 The concept of automatic control systems for combined cycle (Single axis) .................................	110

Fig42 The concept of automatic control systems for combined cycle (Multi axes) ..................................	111
Fig43 Principle of hydrogen concentration detection................................................................................	118
Fig44 Preferred way to provide ground-fault protection ..........................................................................	135
Fig45 An example of protecting relays in the electric power line for thermal power ..............................	140
Fig46 An example of 2 out of 3 logic.......................................................................................................	145
Fig47 An example of unit interlocks for conventional plants...................................................................	146
Fig48 An example of unit interlocks for gas turbine plants......................................................................	147
Fig49 An example of unit interlocks for single-shaft combined cycle power plant .................................	148
Fig50 An example of unit interlocks for multi-shaft combined cycle power plant ..................................	150
Fig51 An example of SCADA/EMS system and control system .............................................................	153
Fig52 Examples of redundant system.......................................................................................................	156
Fig53 Configuration of alarm unit............................................................................................................	163
Fig54 An example of alarming .................................................................................................................	165
Fig55 Concept of EMS.............................................................................................................................	166
Fig56 An example of system configuration for EMS at the power station...............................................	168
Fig57 An example of functions for EMS at the power station .................................................................	169
Fig58 An example of DCS system ...........................................................................................................	171
Fig59 An example of DCS module...........................................................................................................	172
Fig60 An example of DCS configuration .................................................................................................	173
Fig61 An example of data transmission between DCS.............................................................................	176
Fig62 An example of methodology for protection and control.................................................................	182

	List of Acronyms/Abbreviations

AC	Alternating Current

ANSI	American National Standards Institute

APC	Automatic Plant Control

AVQR	Automatic Voltage & Q Regulator

AVR	Automatic Voltage Regulator

BFP	Boiler Feed water Pump

CRT	Cathode Ray Tube

CO	Carbon monOxide

CO2	Carbon diOxide
CV	Control Valve or governing valve

CT	Current Transformer

CVCF	Constant Voltage Constant Frequency

DB	Data Base

DC	Direct Current

DCS	Distributed Control System

DS	Disconnecting Switch

EHC	Electric Hydraulic Control

EMC	ElectroMagnetic Compatibility

EMS	Energy Management System

ETD	Embedded Temperature Detector

FA	Full arc Admission

FBC	Fluidized bed combustion boiler

FCB	Fast Cut Back

FDF	Forced Draft Fan

FW	Fire Wall

GW	Gate Way

HMI	Human Machine Interface

ICV	InterCept valve

IDF	Induced Draft Fan

IEC	International Electro-technical Commission

IEEE	Institute of Electrical and Electronics Engineers

IP code	International Protection code

ISO	International Organization for Standardization

JEC	Japanese Electrotechnical Committee

JEM	Japan Electrical Manufacturer

JIS	Japan Industrial Standards

HRSG	Heat Recovery Steam Generator

LTB	Low pressure Turbine Bypass valve

MFT	Master Fuel Trip

MSV	Main steam Stop Valve

NFPA	National Fire Protection Association

NH3	Ammonia
NO	Nitrogen monOxide

NOx	Nitrogen Oxides

OA	Office Automation

PA	Partial arc Admission

PAF	Primary Air Fan

PCB	Polychlorinated Biphenyl

PLC	Programmable Logic Controller

PSS	Power System Stabilizer

SIL	Safety Integrity Level

SOx	Sulfur Oxides

SCADA	Supervisory Control And Data Acquisition

SSO	Single Sign On

TCVN	Vietnamese National Standard

VT	Voltage Transformer

VDT	Visual Display Terminal

WDT	Watch Dog Timer

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