High Voltage Test Equipment - Electricity Today

Cable Testing

The Role of Cable Rejuvenation in Addressing the Maintenance of Aging Underground Cables

Aging underground residential distribution (URD) cables is a growing problem in communities around the world, disrupting customers and causing business challenges for utility providers. But in most cases, the traditional remedy for URD cable failure—taking the impacted...

Energy Ottawa's State-of-the-Art, Non-Destructive Cable Measurement System for Medium Voltage Distribution Cables

Energy Ottawa offers a state-of-the-art, non-destructive cable measurement system for the dependable assessment of medium voltage distribution cables. We have partnered with National Research Council Canada (NRC), the Government of Canada’s premier research and technology organization, to...

Breaker Testing

Smart Substations and Their Role in the Evolving Smart Grid

A Smart substation digitizes protection and control, enabling utilities to detect faults faster, manage DER volatility, and reduce outage risk. The payoff depends on architecture, cybersecurity, and edge analytics, not just new relays. The shift toward smart substations is inseparable from broader...

Dynamic Resistance Measurement

Condition testing of circuit breaker’s arcing contacts BY BUDO MILOVIC, DV-Power The preventive maintenance on a high-voltage (HV) breaker consists of several routine tests. The timing and motion tests are methods used to assess the breaker’s mechanical condition. When the timing and motion...

Substation Testing

Digital Twins for Substations: Bridging the Physical and Digital Worlds

In the rapidly evolving landscape of power grid management, digital twin technology is emerging as a game-changer for substations. By creating virtual replicas of physical assets, digital twins bridge the gap between the physical and digital worlds, enabling enhanced operational efficiency and...

CONDITION MONITORING IN AN AGE OF MODERNIZATION How (and Why) to Adapt

The widespread application and use of electricity, which may now seem like a simple commodity, is considered one of the greatest technical developments of all time. However, keeping up with today’s demand for power is anything but simple: a vast amount of resources goes into maintaining a...

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High Voltage Testing with AC Power Frequency

High Voltage, Inc. is a small design and manufacturing company located in the Hudson Valley region of New York State. Although small, we are a large presence in the electrical test equipment industry with a representative organization covering most of the world and a highly respected product line used in a variety of industries and applications.

PRODUCTS
Most of our products produce high voltage and can be grouped by output waveform. We offer ac and...

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Transformer Testing

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Cable Testing

The Role of Cable Rejuvenation in Addressing the Maintenance of Aging Underground Cables

Energy Ottawa's State-of-the-Art, Non-Destructive Cable Measurement System for Medium Voltage Distribution Cables

Breaker Testing

Smart Substations and Their Role in the Evolving Smart Grid

Dynamic Resistance Measurement

Substation Testing

Digital Twins for Substations: Bridging the Physical and Digital Worlds

CONDITION MONITORING IN AN AGE OF MODERNIZATION How (and Why) to Adapt

HV Test Equipment

High Voltage Testing with AC Power Frequency

HV Test Equipment Articles

Dielectric Voltage Testing – Standard Methods

Vacuum Interrupter Testing for Circuit Breakers

Solving Underground Cable Problems with Partial Discharge Testing

Smart Transformers: Enhancing Grid Efficiency and Reliability

Ground Tester Section Criteria

ACCELERATING TOWARDS GREATER TESTING EFFICIENCY - A true transformer test van

T&D Buyer’s Guide Companies

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ON-GUARD Automated Lubrication System

ULTRAChecker for Operator Driven Reliability

ALT Series AC Hipots - Product Training Video

HV Test Equipment Products

AEMC 6255 Micro-Ohmmeter with DataView® Software (Up to 25A)

LUBExpert - Handheld Lubrication and Ultrasound Monitoring

PT16F Series

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Electrical Testing & Maintenance Handbook Volume 5

Electrical Equipment Testing & Maintenance Vol. 6

Smart Grid Software & Apps

Changing the Utility Business Model

Siemens’ White Paper Outlines Design for Mini-Grids to Energize Puerto Rico

Why Net-Zero is Cheaper for the UK

Ensuring Compliance vs Building Resilience

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