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Application with QS873 VT Probes
ES771As require the use of QS873 VT Probes to activate the mid
-
string voltage monitoring feature in
the Pulsar Edge. One VT probe is required for each mid
-
string voltage being monitored. Additional VT
probes can be added for individual battery temperature measurement. The highest temperature
measured from all installed VT probes is utilized by the controller for slope thermal compensation.
Many factory built systems come with the ES771A modules and QS873A VT probes installed. Additional
ES771A modules can be added or replaced in the field as necessary. The following figure depicts a
typical configuration where four battery strings are monitored with a minimum number of VT probes.
The middle battery in each string is used when both the voltage imbalance and thermal compensation
features are desired. This is one of many configurations using the ES771A for monitoring. Consult
technical field support if questions or concern arise.
Figure
20 Four
-
String System Monitored For Imbalance
Step
Action
fit pin on the ES771A (J1
-
J3).
and
ou
Summary of Contents for Pulsar Edge
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