Alstom MiCOM P50 Agile P15D - Overcurrent; Earth Fault function; Thermal Overload Function

P50 Agile P15D
6 Protection Functions
P15D/EN TM/B
6-3
1 CHAPTER OVERVIEW
This chapter consists of the following sections:
1
Chapter Overview
2 Protection functions
2.1 Overcurrent / Earth Fault function
2.1.1 IDMT Characteristics
2.1.2 Principle of Protection Function Implementation
2.1.3 Timer Hold Facility/Reset Characteristics
2.2 Thermal Overload Function
2.2.1 Thermal Overload protection implementation
2.3 Undercurrent protection function
2.4 Cold Load Pickup function
2.4.1 Cold Load Pickup logic
2.4.2 Cold Load Pickup for SWITCH ONTO FAULT condition
2.5 Inrush Current Blocking function (2ND Harm Blocking)
2.5.1 Second Harmonic Blocking Implementation