MiCOM Substation Applications

MiCOM Substation / Feeder Applications

The MiCOM range of relays offers varying levels of functionality and hardware options to best suit the protection requirements and allows the customer to choose the most cost effective solution for their application.

The versatile hardware allows for application in many installations and a common relay management software (MiCOM S1 Studio) makes for easy configuration and application.

MiCOM P11x

Basic Feeder Protection Relays — MiCOM 10 Series

The 10 series hardware platforms are the building blocks of the MiCOM protection relay range providing the capability for a wide variety of protection, control, measurement, monitoring and communication functions.

The MiCOM P11x relays are suitable for all the applications where overcurrent and/or ground fault protection are required. P11x can be applied to medium and low voltage electrical systems as an optimized and cost-efficient solution tailored to user’s needs.

Standard and Advanced Feeder Protection Relays — MiCOM 30 and 40 Series

Easergy MiCOM P132 offers a flexible and powerful feeder management device housed in a 4U case in 24TE, 40TE or 84TE widths. Easergy MiCOM P132 offers bay control for up to 3 devices and a library of 80 pre-engineered templates to reduce engineering time.
Easergy MiCOM P139 one-box solution is the most advanced in the range. It’s available in 40TE or 84TE width, 4U case sizes. It offers bay control for up to 10 devices. It uses a pre-engineered library of up to 300 templates for efficient engineering and commissioning.
Easergy MiCOM P14x Feeder Management and Overcurrent Protective Relays are especially suitable where a complete or advanced power system protection scheme solution is required.

The following models are available:

Easergy MiCOM P141 – Feeder management relay
Easergy MiCOM P142 – Feeder management with integrated Autoreclose
Easergy MiCOM P143 – Feeder management, integrated Autoreclose and Check Synchronism
Easergy MiCOM P145 – Feeder management, Autoreclose, Check Synchronism and Enhanced operator control functions

Functions of Feeder Management Relays

ANSI	Protection Function	P111	P115	P116	P132	P139	P141	P142	P143	P145
25	Check synchronizing				●	●			●	●
32	Directional power				●	●	●	●	●	●
32V	Voltage controlled direct. reactive power				●	●
34	Master sequence device					●
37	Undercurrent			●	●	●	●	●	●	●
46	Negative sequence overcurrent			●	●	●	●	●	●	●
46BC	Broken conductor			●	●	●	●	●	●	●
47	Negative sequence over voltage				●	●	●	●	●	●
48	Incomplete sequence relay				●	●
49	Thermal overload	●		●	●	●	●	●	●	●
50/51N	Ground fault	●	●	●	●	●	●	●	●	●
50/51P	3 Phase overcurrent	●	●	●	●	●	●	●	●	●
50/51P/N	1 Phase or ground overcurrent				●	●
50BF	Circuit breaker failure	●	●	●	●	●	●	●	●	●
51LR	Motor				●	●
51V	Voltage controlled overcurrent				●	●	●	●	●	●
59/27	Over / Under voltage				●	●	●	●	●	●
59N	Residual over voltage				●	●	●	●	●	●
64	Restricted ground fault				●	●	●	●	●	●
66	Startup monitoring				●	●
67N	Ground fault directional				●	●	●	●	●	●
67N	Transient ground fault detection				●	●
67N	Sensitive directional ground fault				●	●	●	●	●	●
67P	Phase directional				●	●	●	●	●	●
67W	Wattmetric ground fault				●	●	●	●	●	●
79	Autoreclose			●	●	●		●	●	●
81	Under / Over frequency				●	●	●	●	●	●
81P	Under frequency load shedding				●	●
81R	Rate of change of frequency				●	●	●	●	●	●
85	Protective signaling				●	●
86	Lock-out	●	●	●	●	●	●	●	●	●
CTS	Current transformer supervision				●	●	●	●	●	●
SOTF	Switch on to fault	●		●	●	●	●	●	●	●
TCS	Trip circuit supervision	●		●	●	●	●	●	●	●
VTS	Voltage transformer supervision				●	●	●	●	●	●
YN	Neutral admittance				●	●	●	●	●	●
	Circuit breaker monitoring	●		●	●	●	●	●	●	●
	Cold load pick-up	●		●	●	●	●	●	●	●
	Inrush blocking	●		●	●	●	●	●	●	●
	InterMiCOM				●	●	●	●	●	●
	Limit value monitoring				●	●

Typical Catalog Numbers

Catalog Numbers		Description
Standard	P14121RABM0B48L	Series 40 - Substation/Feeder Protection, P141 (48-110Vdc), 1/5A CT inputs, 8In/7Out (user configurable voltage thresholds), 3xRJ-45, IEC61850, DNP3
Advanced	P14521RHBM0B48M	Series 40 - Substation/Feeder Protection, P141 (48-110Vdc), 1/5A CT inputs, 16In/20Out (user configurable voltage thresholds), 4 high break outputs, 3xRJ-45, IEC61850, DNP3

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