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Transmission Line Simulator
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Transmission Line Simulator

Categories: Mechanical Lab Equipment Manufacturer

Description The Transmission Line Simulator investigates single-phase and three-phase transmission lines. The configurable simulated transmission lines allow realistic studies of short, medium and lo...

Product Code: AET140

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Description

Description
The Transmission Line Simulator investigates single-phase and three-phase transmission lines. The configurable simulated transmission lines allow realistic studies of short, medium and long-distance transmission lines under variable load and power factor conditions, as well as with inserted faults. The console is divided into two control panels, each with detailed mimic diagrams. The upper panel has a single phase transmission line equivalent circuit, and the lower panel a three-phase transmission line. The lines may be loaded by the resistive, capacitive and inductive loads included. The effects can be monitored by instruments at the send and receive ends of the transmission lines. The single-phase transmission line includes a set of inductive impedances connected in series. Tapping points allow the user to: • change the length of the simulated line; • set up ‘Pi’ or ‘Tee’ methods of loss profiling using different values of capacitance; and • monitor the voltage, current and power at any point along the line. The three-phase transmission line is in six sections represented in ‘per-unit’ values. Facilities include: • Operating under variable balanced or unbalanced RLC (resistive, inductive and capacitive) loads • Selectable neutral • Provision to vary the length parameters A fault application switch and earth fault resistors allow studies of earth fault currents and the operation of relays of varying sensitivity. For protection tests, current transformers (CTs) in the test circuits connect to the protection relay fitted to the control panel. The user connects and sets the protection relay to detect line and earth currents. The relay also monitors and measures fault events and disturbances for fault analysis. The user sets the relay from its local control panel or by a cable link to a suitable computer (computer not included) and software (included). When a circuit fault happens, the relay opens circuit-breakers in the test circuits. The circuit breakers also include hand-operated switches, and lamps. The lamps show whether the circuit-breakers are open or closed. Supplied with the equipment is a set of shrouded leads for the user to connect the test circuits together. The unit includes an emergency switch, a mains supply isolator and protection fuses. Supplied with a comprehensive user guide which includes equipment descriptions, theory and experiments. Also, the open and flexible structure of the equipment makes it ideal for student projects and for lecturers to create their own experiments.
 
Learning Outcomes
Single-phase line:
Short-line investigation
Medium or long-line investigation (nominal ‘Tee’ and ‘Pi’ methods)
Effect of power and reactive power flow on voltage drop and transmission angle
Medium/long-line investigation of a natural load of a line
Voltage regulation at constant load and power factor
Three-phase lines:
Per-unit values
Unbalanced loads and the neutral connection
Fault simulation and line protection studies
Parallel feeders and multi-section lines
 

Specifications

ATICO is committed to a programme of continuous improvement; hence we reserve the right to alter the design and product specification without prior notice.

Nett dimensions and weight:

1850 mm long x 1870 mm high x 960 mm front to back and 750 kg

Approximate packed volume and weight: 5 m3 and 950 kg

Line simulation :

Inductors, with three-phase line represented in per-unit values

Three - phase lines :

Five sections, each at 0.15 p.u. value: 75 km of 132 kV line on a 100 MVA base

One section at 0.25 p.u. value: 125 km of 132 kV line on a 100 MVA base

Three - phase load banks :

Resistive, inductive and capacitive

Other controls and instrumentation:

Phase angle meter for single-phase and three-phase

Fault switch

Single-phase and three-phase selectable capacitor banks for p and T networks

Switchable neutral from transformer secondary

Protection relay:

Overcurrent relay

 

Operating Conditions

Operating Enviroment:

Laboratory

Storage Temprature Range :

–25°C to +55°C (when packed for transport)

Operating Temprature range:

+5°C to +40°C

Operating relative humidity range:

80% at temperatures < 31°C decreasing linearly to 50% at 40°C


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Description
The Transmission Line Simulator investigates single-phase and three-phase transmission lines. The configurable simulated transmission lines allow realistic studies of short, medium and long-distance transmission lines under variable load and power factor conditions, as well as with inserted faults. The console is divided into two control panels, each with detailed mimic diagrams. The upper panel has a single phase transmission line equivalent circuit, and the lower panel a three-phase transmission line. The lines may be loaded by the resistive, capacitive and inductive loads included. The effects can be monitored by instruments at the send and receive ends of the transmission lines. The single-phase transmission line includes a set of inductive impedances connected in series. Tapping points allow the user to: • change the length of the simulated line; • set up ‘Pi’ or ‘Tee’ methods of loss profiling using different values of capacitance; and • monitor the voltage, current and power at any point along the line. The three-phase transmission line is in six sections represented in ‘per-unit’ values. Facilities include: • Operating under variable balanced or unbalanced RLC (resistive, inductive and capacitive) loads • Selectable neutral • Provision to vary the length parameters A fault application switch and earth fault resistors allow studies of earth fault currents and the operation of relays of varying sensitivity. For protection tests, current transformers (CTs) in the test circuits connect to the protection relay fitted to the control panel. The user connects and sets the protection relay to detect line and earth currents. The relay also monitors and measures fault events and disturbances for fault analysis. The user sets the relay from its local control panel or by a cable link to a suitable computer (computer not included) and software (included). When a circuit fault happens, the relay opens circuit-breakers in the test circuits. The circuit breakers also include hand-operated switches, and lamps. The lamps show whether the circuit-breakers are open or closed. Supplied with the equipment is a set of shrouded leads for the user to connect the test circuits together. The unit includes an emergency switch, a mains supply isolator and protection fuses. Supplied with a comprehensive user guide which includes equipment descriptions, theory and experiments. Also, the open and flexible structure of the equipment makes it ideal for student projects and for lecturers to create their own experiments.
 
Learning Outcomes
Single-phase line:
Short-line investigation
Medium or long-line investigation (nominal ‘Tee’ and ‘Pi’ methods)
Effect of power and reactive power flow on voltage drop and transmission angle
Medium/long-line investigation of a natural load of a line
Voltage regulation at constant load and power factor
Three-phase lines:
Per-unit values
Unbalanced loads and the neutral connection
Fault simulation and line protection studies
Parallel feeders and multi-section lines
 

Specifications

ATICO is committed to a programme of continuous improvement; hence we reserve the right to alter the design and product specification without prior notice.

Nett dimensions and weight:

1850 mm long x 1870 mm high x 960 mm front to back and 750 kg

Approximate packed volume and weight: 5 m3 and 950 kg

Line simulation :

Inductors, with three-phase line represented in per-unit values

Three - phase lines :

Five sections, each at 0.15 p.u. value: 75 km of 132 kV line on a 100 MVA base

One section at 0.25 p.u. value: 125 km of 132 kV line on a 100 MVA base

Three - phase load banks :

Resistive, inductive and capacitive

Other controls and instrumentation:

Phase angle meter for single-phase and three-phase

Fault switch

Single-phase and three-phase selectable capacitor banks for p and T networks

Switchable neutral from transformer secondary

Protection relay:

Overcurrent relay

 

Operating Conditions

Operating Enviroment:

Laboratory

Storage Temprature Range :

–25°C to +55°C (when packed for transport)

Operating Temprature range:

+5°C to +40°C

Operating relative humidity range:

80% at temperatures < 31°C decreasing linearly to 50% at 40°C

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