Ashida ADR241B, Instruction Manual

Page: 91 / 272

ADR241B
Doc ID : ADR241B-DO_IM_01
Ref ID : ADR241B/IM/PLF
Rev No. : 06
Page No. : 91 of 272
Cold Load.
Describe all the Cold Load settings and logic needed for protection for Cold Load protection.
Thermal Overload.
Describes all the Thermal Overload IED settings and logic needed for Thermal Overload.
Broken Conductor.
Describes all the Broken Conductor IED settings and logic needed for Broken Conductor.
Under Current.
Describes the Under Current settings and logic needed for protection for the under current
fault.
Reclosing.
Describes all the Auto reclosing IED settings and logic needed for automatic reclosing for the
temporary fault.
Programmable Logic control.
Describes programmable and logic equation that the user can build their own logic for
various application.
4.2 Application Data
It is required to have the field data which is used to calculate the parameter settings which
has to be set in the IED. Hence the following inputs are required to calculate the parameter
settings in the relay.
•
Highest expected load current.
•
Current transformer primary and secondary ratings and Connections
•
System nominal frequency
•
Expected fault current magnitudes for ground and three-phase Faults
4.3 General Settings
Communication setting
The Communication settings of ADR241B IED are listed the below table which is necessary
for the communication between the IED and Personal computer.