MiCOM Agile P44T Catenary Distance Protection Relay

Product Description

MiCOM Agile P44T

CatenaryDistance Protection

The MiCOM Agile P44T is a multifunctional protection device,supplementing distance main protection with a host of backup protection,thermal protection, recording, control, measurement and monitoring features. Itprovides fast, highly selective railway catenary distance protection combinedwith the delta directional decision proven technique. The trip time istypically 0.7 to 1 cycle. Five zones of protection with quadrilateralcharacteristics allow versatile deployment as the main protection for all ACcatenary/feeder systems. With independently settable right and left hand sideresistive reaches for each zone the P44T suits routes hosting regenerativebraking trains.

Key features:

• Dual algorithm distance operation for maximum fault detection dependability
• Deploy in traditional CT/VT applications, or digital substation architectures with merging units and non-conventional instrument transformers using IEC 61850-9-2 process bus
• Distance to fault location assists dispatching of maintenance crews 
• Full-scheme relay offers fast, discriminative response to double-circuit, cross-country and evolving faults
• No internal batteries in GE-branded models – removes a maintenance item and eases air-freight logistics
• NERC CIP cybersecurity including role-based access control (RBAC), RADIUS and SysLog
• Advanced binary inputs comply with the harshest norms for surge withstand, plus the ESI 48-4 EB2 standard. Spurious wiring pickup is eliminated without the use of interposing relays, external resistors or time delays. Battery/wiring faults, switching noise, and induction from long parallel circuits are tolerated without misoperation