MODULE 6. OPERATION OF ELECTRICAL EQUIPMENT AND
EQUIPMENT
12 Commissioning of electrical devices.
12.1 Organization of use of electrical equipment. General information
about the use of equipment...................................................................... 148
12.2 Arrangements for acceptance of
electrical equipment into
use……………………………………………………………………….152
12.3
Requirements
for
the
use
of
electrical
supply system
equipment…………...…………………………………………………..153
12.4 Reliability of electrical equipment depends on use........................154
13. Use of electrical equipment.
13.1 Control of overhead lines. Technical service. Overvoltage
protection…………………………………………………..……………156
13.2 Checking the outer dimension of lines……...……………………..162
13.3 Overloading of lines during operation……...……………..……….164
13.4
Reasons
for
the
appearance
of
waste
in
air
lines…………………………………..………………………………….165
13.5 Losses in AC Power Lines (EUL)………………………………....167
14 Use of power transmission cable lines.
14.1 Power cable lines. Cable line injuries. Determining
defects of cable
lines…………………………………………………………..…………167
14.2 Types of cable defects. Cable defects in storage and
transportation…………………..……………………………………….169
14.3 Variety of Installation Failures. Failures in use…………………...169
15 Use of power transformers.
296
15.1 Stages of accepting transformers for use. Tasking of transformers by
output and output by output......................................................................171
15.2
Periodic
control
of
the
work
of
transformers…………………….……………………………………….175
15.3 Checking the operating mode of transformers.
Ensuring reliable
operation of transformers………………………….…….………………177
16 Use of substation switching equipment
16.1
Use
of
Separator.
Control
of
dividers
and
short
circuits……………………………………..…………………………….182
16.2 Use of electric separator and short connectors. Monitoring the use of
load breakers…………………………………………………………….186
16.3 Ensuring reliability of operation
of low-volume oil circuit
breakers………………………………………………………….………187
16.4
Electric
arc
extinguishing
operation
in
electric
circuit
breakers……191MODULE 7. INSTALLATION AND OPERATION OF
SUBSTATION SWITCHGEAR
17 Use of 6-10 kV circuit breakers.
17.1 Tasking of procedures ………………..………………...…………192
17.2 The main elements of the procedures………………….....………..193
17.3 Specificity of spring drives……………………………...…………195
18 Use of substation measuring and protective equipment.
18.1 Operating modes of measuring transformers………….…………...196
18.2 Measurement of current and voltage to
ensure normal operation of
transformers…………………….……………………………………….198
19 Use of overvoltage limiters and short-circuit protection devices.
19.1 Disclaimers. Protection of substations in dischargers..................... 201
19.2
Discharge
Control.
Overvoltage
limiting
devices………………………………………………………………..203
19.3 Advantages of dual reactors and ways to determine their
disadvantages……………………………………………………………205
20 Use of high voltage distribution equipment.
20.1 The structure of distribution devices……………………….……...206
20.2 Monitoring the operation of distribution
devices in the electricity
supply system……………………………………………..…………….210
20.3 Bus and closed distribution devices…………………………….…215
20.4 Use of distribution control boards with a voltage of up to 1 kV…..216
21 Use of high and low voltage fuses.
21.1 Types of high-voltage fuses…………………………………….….217
21.2 Soluble mounting materials of 6-10 kV fuses..................................218
21.3 Types of low-voltage fuses. Methods of calculation of soluble
297
installations of storages………………………………..………………..220
21.4 The use of firing guards………………………….………………..221
22 Use of switching devices with voltage up to 1 kV.
22.1
Use
of
spacers.
Use
of
assembly
and
reconnection
devices………………………….……………………………………….222
22.2 The method of breaking the electric arc in automatic starters.
Inspection and maintenance of switchgears………………………….…224
22.3 Control of the operating mode of contactor and thyristor starters.
Monitoring and maintenance of switchgears……………………………226
23. Use of electric motors.
23.1. Conditions for acceptance of electric motors into use………........229
23.2 Operation of an asynchronous motor.
Use of synchronous electric
motors…………………………………………………………………...232
23.3 Use of DC electric motors. Increasing the reliability of using electric
motors …………………………..…………………………..………..…235
23.4 Maintenance of electric motors………………………..…………..237
24. Use of security equipment.
24.1. All security equipment and their requirements……………..…….239
24.2 Provision of electrical equipment in networks with a voltage higher
than
1000
V
with
a
neutral
effectively
grounded
……………………..……………………………………………………241
24.3 Provision of neutral insulated electrical
equipment with a voltage
higher than 1000 V. Provision of electrical equipment with a voltage of up
to 1000 V with neutral solid grounding...……………………….. ……..243
24.4 Provision of electrical equipment with a voltage of up to 1000 V
isolated with neutral................................................................................. 246
