VAMTECH- Voltage Ampere Measurement Technology.

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Differential Stability • MiCOM P63x

Multi-Winding Precision. Absolute Grid Security.

A high-performance differential platform designed for multi-winding transformers, motors, and complex automation-heavy substation bays.

Winding Integrity

When protection drifts,
transformers pay the price.

Legacy relays miss CT issues and mis-handle inrush. Unstable differential logic leads to false trips and missed faults across critical substation bays.

No multi-winding logic

Generic relays fail to coordinate between 2-winding and 3-winding transformer stages.

Weak inrush restraint

Standard logic triggers false trips during transformer energization and surges.

Unstable REF security

Poor restricted earth fault sensitivity leads to internal fault misses in the grid.

Slow overload response

Delayed thermal modeling causes permanent winding insulation damage.

Meet MiCOM P63x
Coordinated Grid Protection.

Bringing accurate multi-winding differential and restricted earth fault protection to the digital substation. Engineered with triple-slope characteristics for real intelligence.

Hardware Stage / Aluminum Case
MiCOM P63x

Real
Intelligence.

Triple-slope differential logic reacts instantly to high-magnitude faults while maintaining absolute security during inrush.

01

High-sensitivity REF

Three independent REF elements catch internal earth faults others miss.

02

Thermal protection

Dual thermal models with PT100 support prevent permanent overload damage.

03

Fast differential logic

Triple-slope characteristic reacts instantly to high-magnitude internal faults.

04

Overfluxing defence

V/Hz monitoring guards windings during energisation or grid surges.

Designed For Multi-Winding Accuracy

Modular build. High-end protection. Modern comms.

ProtectionDifferential (87T), Multi-winding REF (87N), DTOC / IDMT
SupervisionOverfluxing, Breaker failure, CT/VT supervision, V/f elements
HardwareUp to 4 current inputs (1A/5A), 1 voltage, PT100 + analog I/O
BinaryWide-range inputs (24–250 V DC), 8–22 output relays
CaseAluminium case (40TE or 84TE), IP52 front panel
P63x Blueprint
DigitalIEC 61850 with GOOSE, Redundant Ethernet (PRP / RSTP)
ProtocolsIEC 60870-5-103/101/104, Modbus, DNP3, Courier
SyncIRIG-B time sync, Logic limits and counters
ReliabilityVibration, shock & EMC to IEC 60255, –25°C to +55°C
DiagnosticsHigh-res Event, disturbance & fault recording
One Platform. Endless Bays.

Where MiCOM P63x Sets the Absolute Standard

Precision differential logic for transformers, motors, and high-range bays.

P63X_APP_01

Multi-Winding Transformers

Coordinated protection for 2-winding, 3-winding, and auto-transformers.

Differential Core
P63X_APP_02

Generator Units

Generator differential and high-sensitivity SEF logic for plant security.

Differential Core
P63X_APP_03

Capacitor Banks

Unbalance detection logic designed for high-density industrial stages.

Differential Core
P63X_APP_04

Industrial switchboards

Rugged integration hub for automation-heavy substation bays.

Differential Core
P63X_APP_05

Large Motor Drives

Advanced thermal and mechanical supervision for critical motor windings.

Differential Core
P63X_APP_06

Harsh Environments

Stable operation in sites with high heat, dust, and constant vibration.

Differential Core
P63X_APP_01

Multi-Winding Transformers

Coordinated protection for 2-winding, 3-winding, and auto-transformers.

Differential Core
P63X_APP_02

Generator Units

Generator differential and high-sensitivity SEF logic for plant security.

Differential Core
P63X_APP_03

Capacitor Banks

Unbalance detection logic designed for high-density industrial stages.

Differential Core
P63X_APP_04

Industrial switchboards

Rugged integration hub for automation-heavy substation bays.

Differential Core
P63X_APP_05

Large Motor Drives

Advanced thermal and mechanical supervision for critical motor windings.

Differential Core
P63X_APP_06

Harsh Environments

Stable operation in sites with high heat, dust, and constant vibration.

Differential Core

Built For Power Reliability

Trusted across utility and industrial sectors

Utilities

Oil & Gas

Mining & Metals

Data Centers

Utilities
Utilities

Protection Engineering

Relay Testing, Programming & Configuration
Substation Digital Integration
Commissioning support & diagnostics
Support Hub
Integrated MiCOM Ecosystem

Complementary Solutions.

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Absolute Security.
Sub-Cycle Logic.