General Objective

Conduct specialized electrical studies that guarantee the safe, efficient and reliable operation of the electrical system in mining company facilities, considering their particular conditions of load, operation and future expansion.

Short Circuit

Analysis of fault currents for sizing and configuration

Power Flow

Evaluation of network behavior to ensure stable supply

Protection Coordination

Guarantee of selective and timely operation in case of electrical faults

1. Short Circuit Study

Objective

Determine fault currents at different points in the electrical system to properly size equipment and ensure correct operation of protection systems.

Scope

  • Calculation of three-phase, two-phase and single-phase short circuit currents
  • Analysis in main buses, feeders and load centers
  • Evaluation of the interrupting capacity of circuit breakers, relays and fuses

Results

  • Verification of compliance with interrupting capacities
  • Identification of critical points with high or insufficient currents
  • Inputs for the design and adjustment of protection systems

2. Power Flow Study (Load Flow)

Objective

Analyze the behavior of the electrical system under normal operating conditions to ensure a stable and efficient energy supply.

Scope

  • Modeling of electrical networks in medium and low voltage
  • Evaluation of voltage levels, electrical losses and loads on transformers/lines
  • Analysis of maximum and minimum demand scenarios

Results

  • Identification of voltage drops out of range and overloads
  • Recommendations for improving load balance and energy efficiency
  • Validation of system expansion capacity for new loads

3. Protection Coordination Study

Objective

Guarantee the selective and timely operation of protection systems in case of faults, minimizing interruptions and damage to equipment.

Scope

  • Review of time-current curves of relays, circuit breakers and fuses
  • Analysis of selectivity between protection devices
  • Adjustment and parameterization of overcurrent, ground and differential protections

Results

  • Optimal coordination between protection devices
  • Minimization of the area affected by electrical faults
  • Increased reliability and safety of the electrical system

Service Results

The electrical studies conducted provide a solid technical basis for operational and investment decision-making in the mining company's electrical infrastructure. They ensure compliance with current regulations, ensure the protection of equipment and personnel, and guarantee operational continuity in an environment of high energy demand and severe conditions.