Gentherm Global Power Technologies 1-2
P-5050
62553 rev.8
Set-up Voltage:
V
set
: Voltage from the power unit for a specific ambient temperature when
the power unit is connected to a precision load, which is proportional to set-up power. Fuel
flow to the burner is adjusted so that proper voltage exists, necessary temperature differ-
ence within the power unit maintained, to deliver required power.
Open Circuit Voltage:
Voltage at the terminals of the power unit when no current is flow-
ing through the power unit, i.e. open circuit, which is related to the temperature across the
thermoelectric materials inside the power unit.
When a power unit lead is suddenly disconnected, breaking the circuit to the load, the volt-
age measured across the power unit leaps up to a new value. This is known as the momen-
tary open circuit voltage (V
oc
).
Measured V
set
:
V
set
measured across the precision load on the output of the electronics
without a customer load connected using a voltmeter.
Required V
set
:
V
set
needed to achieve rated power for the present ambient temperature.
CP (Cathodic Protection):
Thermoelectric generators are used in impressed current sys-
tems for cathodic corrosion protection of metallic structures such as pipelines.
CP Interface System:
An assembly of electrical components system that acts as an inter-
face between the TEG and the CP load, which also provides for adjustment and monitoring
of power to the CP load.
Converter/Limiter (C/L)
: A specific electronic device attached between the generator and
the load that converts one level of DC voltage to another, and limits the power unit voltage.
Manual Shutoff Valve:
A manually operated valve in the gas line for the purpose of com-
pletely turning on or shutting off the gas supply to the TEG.
Solenoid Valve (SV):
A electrically actuated valve that controls the gas supply to the burner.
This Valve is operated by the Ignition Control Module.
Summary of Contents for P-5050
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