Trifásica Elétrica

Technical blog

A reference in medium voltage, protection and energy efficiency.

Updated NR-10: what changed and how it affects the electrical sector
Normas

Updated NR-10: what changed and how it affects the electrical sector

NR-10 governs safety in electricity services. See the essential points and how to comply.

26/06/2026
Heat shrink, polymeric or separable: how to choose the termination
Terminações

Heat shrink, polymeric or separable: how to choose the termination

Each termination technology has its strong point. See when to use heat shrink, cold shrink polymeric or separable.

26/03/2026
BESS: the engineering behind energy storage
Painéis e Relés

BESS: the engineering behind energy storage

LFP batteries, BMS, PCS, and EMS, medium voltage connection, safety standards, and practical applications: the complete engineering behind a BESS system.

28/01/2026
Maintenance in compact networks: how to optimize the operation
Equipamentos para Rede

Maintenance in compact networks: how to optimize the operation

Compact networks reduce failures but require specific maintenance. See how to optimize the operation.

24/11/2025
The importance of predictive maintenance in medium voltage
Painéis e Relés

The importance of predictive maintenance in medium voltage

Predict failure before it stops production. See predictive maintenance techniques in medium voltage.

10/10/2025
Practical guide for medium voltage installations
Cubículos Blindados

Practical guide for medium voltage installations

From the utility entrance to internal distribution: see the steps and precautions of an MV installation.

25/08/2025
Primary substation: selection guide and advantages for your company
Cubículos Blindados

Primary substation: selection guide and advantages for your company

The primary substation is the entry point for medium voltage power. See how to choose it and what it needs to have.

17/07/2025
Datacenters and the importance of medium voltage circuit breakers
Disjuntores

Datacenters and the importance of medium voltage circuit breakers

In a datacenter, power cannot stop. See the role of MV circuit breakers in continuity.

25/06/2025
Switching chamber: why it is important in medium voltage
Chaves e Acessórios

Switching chamber: why it is important in medium voltage

The switching chamber is where the electric arc is safely extinguished. See its function and technologies.

26/05/2025
Medium voltage circuit breaker: types and functionalities
Disjuntores

Medium voltage circuit breaker: types and functionalities

Besides interrupting current, the MV circuit breaker has functionalities and accessories. See the types.

19/03/2025
Advantages of polymeric and disconnectable terminations
Terminações

Advantages of polymeric and disconnectable terminations

Besides terminating the cable, polymeric and disconnectable terminations bring practicality. See the advantages.

18/02/2025
How to choose the ideal medium voltage circuit breaker: specification guide
Disjuntores

How to choose the ideal medium voltage circuit breaker: specification guide

Choosing the right circuit breaker avoids rework and risks. See the 5 parameters that define the correct specification in medium voltage.

23/01/2025
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