Corporate Information
SECVEN, C.A. is a Venezuelan company that brings together professionals with a solid track record in the electrical sector, complementing its offering with extensive experience in the oil, gas, petrochemical, civil, mechanical, and environmental fields. It currently maintains a strategic alliance with PDVSA Petróleo, S.A. focused on the comprehensive recovery of the electrical system across the exploration, production, and refining phases.
SECVEN has consolidated a group of outstanding professionals to take a leading role in the development of highly complex projects for the electrical sector, accumulating vast experience and refining a working methodology that integrates team talent with cutting-edge technology, ensuring flawless execution and results that exceed expectations. Its philosophy goes beyond technical execution: it builds long-term trust-based relationships and defines itself as a strategic partner for its clients, committed to the success of their operations.
Core Capabilities
- Generation Systems Maintenance.
- High and Medium Voltage Substation Maintenance: 400 kV, 230 kV, 115 kV, 69 kV, 34.5 kV, 13.8 kV.
- Distribution and Transmission Line Maintenance.
- Atmospheric protection and grounding systems. Cathodic protection.
- Automation and control of electrical protections.
- Studies to reduce service failures in electrical systems.
- Development of conceptual, basic, and detailed engineering for EPC projects (Engineering, Procurement, and Construction).
Case Studies
TG-20-1 Generation System Maintenance, Jusepín Generation Plant, Phase II
Location: Jusepín Compressor Plant, Maturín Municipality, Monagas State
Challenge / Objective
To carry out comprehensive maintenance of the TG-20-1 generation system and rehabilitation of the General Electric turbogenerator systems (Model MS5001PA, Serial G08341) at the Jusepín Generation Plant (PGJUS), in order to ensure optimal operability, reliability, and availability according to design parameters (13.8 kV, 60 Hz, 3,600 RPM, 19.5 MW).
Solution
Comprehensive maintenance and rehabilitation of the 19.5 MW General Electric turbogenerator is underway, covering the supply of all turbine spare parts and components, delivery of tools required by PPSA personnel, and repair of the systems that make up the equipment.
Results
- System reliability: Greater stability in the electrical supply at the Jusepín Compressor Plant.
- Personnel autonomy: Improved PPSA response capacity thanks to the new tool inventory.
- Extended service life: Reduced premature turbine wear through comprehensive rehabilitation.
- Operational safety: Reduction of occupational hazards through the use of original spare parts and appropriate tools.
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Preventive and Corrective Maintenance of Lines and Substations – Barinas Division Oil Fields
Location: Barinas Division, Venezuela
Challenge / Objective
Preventive and corrective maintenance of the feeder and lines associated with the PTS, BORBURATA, TOREÑO PDVSA, and BARINAS NORTE substations. Includes line cleaning, nest and vine removal, disconnector replacement, replacement of damaged components, conductor installation, and more, at 13.8 kV and 34.5 kV levels, to eliminate fault occurrence points in the PDVSA Operational Field circuits.
Solution
- Environmental remediation plan: Deep cleaning of distribution networks with removal of nests, vegetation, and vines that cause contact faults.
- Component modernization: Full replacement of obsolete or damaged disconnectors and substitution of degraded electrical conductors at 13.8 kV and 34.5 kV levels.
- Substation adaptation: Rehabilitation and correction of critical points in feeders and lines associated with the PTS, Borburata, Toreño PDVSA, and Barinas Norte energy nodes.
- Vulnerability elimination: Permanent suppression of recurring fault points to stabilize the field's electrical circuit.
Results
- Service continuity: Drastic reduction of electrical interruptions and unplanned shutdowns in the PDVSA Operational Field.
- System stabilization: Mitigation of ground faults and short circuits through line cleaning, nest removal, and vine clearance.
- Network modernization: Greater reliability at 13.8 kV and 34.5 kV levels thanks to the replacement of disconnectors and damaged components.
- Operational flexibility: Optimization of isolation and load transfer operations at the PTS, BORBURATA, TOREÑO, and BARINAS NORTE substations.
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Preventive Maintenance of JAA 115 kV GIS Type TH7145 SF6 Encapsulated Substation
Location: Mejoramiento Division, Venezuela
Challenge / Objective
To carry out preventive maintenance of the JAA 115 kV encapsulated substation (GIS Type TH7145 in SF6) of the Mejoramiento Division, through the supply of specialized labor, spare parts, materials, tools, and equipment, in order to ensure the reliability, safety, and operational continuity of the power electrical system.
Solution
- GIS system inspection: Specialized technical review of the GIS Type TH7145 encapsulated modules.
- SF6 gas monitoring: Verification of pressure, density, and leak control of sulfur hexafluoride (SF6) gas.
- General preventive maintenance: Cleaning, adjustment, and calibration of internal and external substation components.
- Component replacement: Substitution of worn spare parts, consumables, and miscellaneous materials.
- Insulation testing: Dielectric tests and functional tests to ensure operability at 115 kV.
- Resource deployment: Assignment of qualified labor, certified tools, and specific measurement equipment.
Results
- High system reliability: Ensures continuity of electrical flow at 115 kV in the Mejoramiento Division.
- Critical risk mitigation: Prevents SF6 gas leaks and destructive insulation failures in GIS technology.
- Service life extension: Maximizes the operating years of the encapsulated substation (Model TH7145) through timely preventive maintenance.
- Resource optimization: Reduces emergency shutdown costs through the use of specialized labor and original spare parts.
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