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Presented by:
P.V.V.N. Phanindra
S.S.D. Gowtham Kumar
CONTENTS:
 Introduction
 Methods of illegal electricity usage
 Block Diagram
 Automatic Meter Reading (AMR)
 Power Line Communication (PLC)
 Detection and control system
 Advantages
 Disadvantages
 Applications
 Future prospect
 Conclusion
INTRODUCTION:
METHODS OF ILLEGAL ELECTRICITY USAGE:
1) Using the mechanical objects:- A subscriber can use some
mechanical objects to prevent the revolution of a meter, so that
disk speed is reduced and the recorded energy is also
reduced.
2) Using a fixed magnet:- A subscriber can use a fixed magnet
to change the electromagnetic field of the current coils. As is
well known, the recorded energy is proportional to
electromagnetic field.
3) Using the external phase before meter terminals:-This
method gives subscribers free energy without any record.
4) Switching the energy cables at the meter connector box:-
In this way, the current does not pass through the current coil
of the meter, so the meter does not record the energy
consumption
BLOCK DIAGRAM:
Distribution
lines
AUTOMATIC METER READING (AMR):
AMR communication set
POWER LINE COMMUNICATION (PLC):
Schematic illustration of detection system
of illegal electricity usage.
Illegal detector system for one subscriber.
DETECTION AND CONTROL SYSTEM:
 Every user has two PLC modems; one is for
AMR and the other is used to send the data
from second energy meter chip to host PLC
modem.
 An energy meter must be installed in the
connection box between a home line and main
power lines.
 The host PLC unit must be placed in the
distribution transformer and the configuration of
the addressing format of PLC signaling must be
designed carefully.
DETECTION AND CONTROL SYSTEM:
 The host PLC modems and its controller must include
two addresses per every user: one is the AMR and
the other for the energy meter.
 Operating software must be designed for the
information of every subscriber in every sub power
network: subscriber id no, billing address, etc.
 The system has two values of the energy
consumption for every user, so if there is a difference
between them, an error signal is generated for the
illegal user.
 If there is error data, then we can disconnect illegal
usage of power by remote control via PLC network
ADVANTAGES:
 Power can be saved.
 The distribution losses can be reduced.
 Increase the profits for electricity department.
DISADVANTAGES:
 High initial cost.
 All old disk meters must be replaced with
optical meters.
 It is used only for low voltage distribution.
APPLICATIONS:
 It can be used in power distribution.
 We can communicate using power line
communication.
FUTURE PROSPECT:
 By implementing this in future we can reduce
the power losses in the distribution side of
power systems.
CONCLUSION:
 The proposed detector system to determine
illegal electricity usage via power line
communications is examined in the laboratory
conditions.
 Results proved that if AMR and detector system
are used together illegal usage of electricity
might be detected.
 Once this proposed detection systems are tried
in real power lines, the distribution losses in
India can be reduced effectively.
Remote Control of Power Thefting Using Power Line Communication Systems
Remote Control of Power Thefting Using Power Line Communication Systems

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Remote Control of Power Thefting Using Power Line Communication Systems

  • 2. CONTENTS:  Introduction  Methods of illegal electricity usage  Block Diagram  Automatic Meter Reading (AMR)  Power Line Communication (PLC)  Detection and control system  Advantages  Disadvantages  Applications  Future prospect  Conclusion
  • 3. INTRODUCTION: METHODS OF ILLEGAL ELECTRICITY USAGE: 1) Using the mechanical objects:- A subscriber can use some mechanical objects to prevent the revolution of a meter, so that disk speed is reduced and the recorded energy is also reduced. 2) Using a fixed magnet:- A subscriber can use a fixed magnet to change the electromagnetic field of the current coils. As is well known, the recorded energy is proportional to electromagnetic field. 3) Using the external phase before meter terminals:-This method gives subscribers free energy without any record. 4) Switching the energy cables at the meter connector box:- In this way, the current does not pass through the current coil of the meter, so the meter does not record the energy consumption
  • 5. AUTOMATIC METER READING (AMR): AMR communication set
  • 6. POWER LINE COMMUNICATION (PLC): Schematic illustration of detection system of illegal electricity usage. Illegal detector system for one subscriber.
  • 7. DETECTION AND CONTROL SYSTEM:  Every user has two PLC modems; one is for AMR and the other is used to send the data from second energy meter chip to host PLC modem.  An energy meter must be installed in the connection box between a home line and main power lines.  The host PLC unit must be placed in the distribution transformer and the configuration of the addressing format of PLC signaling must be designed carefully.
  • 8. DETECTION AND CONTROL SYSTEM:  The host PLC modems and its controller must include two addresses per every user: one is the AMR and the other for the energy meter.  Operating software must be designed for the information of every subscriber in every sub power network: subscriber id no, billing address, etc.  The system has two values of the energy consumption for every user, so if there is a difference between them, an error signal is generated for the illegal user.  If there is error data, then we can disconnect illegal usage of power by remote control via PLC network
  • 9. ADVANTAGES:  Power can be saved.  The distribution losses can be reduced.  Increase the profits for electricity department. DISADVANTAGES:  High initial cost.  All old disk meters must be replaced with optical meters.  It is used only for low voltage distribution.
  • 10. APPLICATIONS:  It can be used in power distribution.  We can communicate using power line communication. FUTURE PROSPECT:  By implementing this in future we can reduce the power losses in the distribution side of power systems.
  • 11. CONCLUSION:  The proposed detector system to determine illegal electricity usage via power line communications is examined in the laboratory conditions.  Results proved that if AMR and detector system are used together illegal usage of electricity might be detected.  Once this proposed detection systems are tried in real power lines, the distribution losses in India can be reduced effectively.