English
RFQ

Download the app

Southeast Asia Power Grid Solutions: Resilient Electronic Voltage Transformers for Extreme Environments

Wone Store

07/24/2025

Southeast Asia Market Pain Points & EVT Solutions

Pain Points	EVT Solutions
High Temperature & Humidity	IP67 Protection + Silicone Potting: Withstands 40°C/95% RH environments, increasing lifespan by 50%.
Frequent Grid Fluctuations	Class 0.2 Accuracy + Wide Input Range (110kV-500kV): Adapts to unstable grids.
Difficult Island Deployment	Modular Design (<20kg/unit): Enables helicopter airlifting, reducing remote area installation costs.
Combustible Traditional Transformers	Dry-Type Solid-State Design: Eliminates fire risk (Certified to IEC 61869-11).
Smart Grid Integration Needs	Digital Output (IEC 61850-9-2LE): Seamless integration with SCADA/EMS.

II. Core Technology Highlights

Adaptive Compensation Technology

Real-time temperature drift compensation (<0.05% accuracy deviation from -40°C to +85°C)
Anti-harmonic interference algorithm (≤0.5% measurement error at THD >30%)

Hybrid Sensing Structure
Localized Power Solutions

Solar Harvesting Module (Optional): Powers off-grid deployments.
Supercapacitor Backup: Ensures 30-minute operation during grid outages.

III. Southeast Asia Customized Services

Standards Compliance Solutions

Country	Compliance Standard	Tailored Service
Vietnam	QCVN 01:2020/BCT	Localized certification support at Hanoi Metrology Institute
Thailand	EGAT SPS-T-503	Pre-stocked inventory in Bangkok Bonded Warehouse (72h delivery)
Indonesia	PLN DIN 04385	Jakarta Technical Center + Javanese Manuals
Philippines	PEC 2017 Section 110	Typhoon-resistant mounting brackets (80m/s wind speed)

Cost-Effective Solutions
Leasing Model:

Deposit: $500/unit
Monthly Fee: $500/unit (Includes remote diagnostics)
Buyout Option after 3 years (30% residual value)

IV. Success Case

Thailand Provincial Electricity Authority Project (200 EVT Units Deployed):

62% Reduction in Installation Costs: (Traditional CTs required 3-day substation shutdown; EVTs installed live in 4 hours).
Fault Response Time Reduced from 72 hours to <8 hours: Achieved via remote diagnostics + local support.

Wone Store

Efficient and Low-Cost Operation & Maintenance Solution for Electronic Voltage Transformers (EVTs)

Efficient and Low-Cost Operation & Maintenance Solution for Electronic Voltage Transformers (EVTs)

1. Current Challenges and OpportunitiesTraditional electromagnetic voltage transformers (VTs) face issues such as accuracy susceptible to load variation, ferroresonance risks, high maintenance costs, and difficulty in timely detection of latent faults. EVTs, utilizing capacitive voltage division or optical principles combined with signal processing technology, provide the technical foundation to break through the bottlenecks of traditional O&M models.2. Core Solutions for Efficient and L

Electronic Voltage Transformer Solution: The Ideal Choice for Extreme Environments, Long Life, and Minimal Maintenance

Electronic Voltage Transformer Solution: The Ideal Choice for Extreme Environments, Long Life, and Minimal Maintenance

In demanding application scenarios such as Ultra High Voltage (UHV) power transmission, offshore wind power, and Gas-insulated Switchgear (GIS), reliability, safety, and operational lifespan requirements for voltage measurement equipment are unprecedented. Traditional electromagnetic voltage transformers (VTs) often fall short when faced with extreme temperatures, intense electromagnetic interference, high insulation requirements, and the need for long-term minimal maintenance. The Electronic V

Southeast Asia Power Grid Solutions: Resilient Electronic Voltage Transformers for Extreme Environments

Southeast Asia Power Grid Solutions: Resilient Electronic Voltage Transformers for Extreme Environments

Southeast Asia Market Pain Points & EVT SolutionsPain PointsEVT SolutionsHigh Temperature & HumidityIP67 Protection + Silicone Potting: Withstands 40°C/95% RH environments, increasing lifespan by 50%.Frequent Grid FluctuationsClass 0.2 Accuracy + Wide Input Range (110kV-500kV): Adapts to unstable grids.Difficult Island DeploymentModular Design (<20kg/unit): Enables helicopter airlifting, reducing remote area installation costs.Combustible Traditional Transfor

Electronic Current Transformer (ECT) Solution: Economically Driven Retrofit

Electronic Current Transformer (ECT) Solution: Economically Driven Retrofit

I. Pain Points: Challenges in Conventional Substation RetrofitTraditional electromagnetic current transformers (CTs) present numerous issues in aging substations:High Retrofit Cost: Replacing conventional CTs requires large-scale power outages, civil construction, and updates to protection panels, cabling, and grounding systems. Combined costs exceed 50%.Poor Compatibility: New devices have interface mismatches with legacy secondary systems (e.g., relays, meters), necessitating additiona

Source professional electrical partners, experts, and explore smart grid & energy solutions.