Megger HPA 100 AC series and 130 DC high voltage test system

Description

The Megger HPA 100 AC Series and 130 DC high-voltage test systems represent a pinnacle of engineering in the field of electrical testing, offering unparalleled performance and reliability for a diverse range of applications. These robust systems are meticulously designed to meet the rigorous demands of industrial and utility environments, providing precise and consistent high-voltage testing capabilities. At their core, these units are powerful test and burning systems, capable of continuous operation with AC voltages reaching up to 100 kV RMS at 5 kVA. This continuous testing capability ensures thorough and exhaustive evaluation of electrical components and systems, contributing significantly to enhanced safety and operational integrity. The meticulous design of the HPA 100 AC series and 130 DC systems also ensures a remarkably low intrinsic noise level, measuring below 1%. This critical feature makes them exceptionally well-suited for sensitive partial discharge (PD) measurements, a crucial aspect of predictive maintenance and fault diagnosis in high-voltage equipment. Furthermore, the inclusion of built-in overcurrent protection safeguards both the equipment under test and the testing system itself, preventing damage from unexpected electrical surges or faults. The optional rectifier attachment extends the versatility of these systems, enabling DC testing up to 130 kV, thereby broadening their applicability across an even wider spectrum of testing scenarios. These combined attributes solidify the Megger HPA 100 AC Series and 130 DC as indispensable tools for professionals seeking accurate, reliable, and safe high-voltage testing solutions.

Versatile Testing for Electrical Assets

The Megger HPA 100 AC series and 130 DC high voltage test systems are engineered for exceptional versatility, making them ideal for a broad array of electrical assets. These powerful test sets are particularly designed for mounting in cable test vans, offering mobility and on-site testing capabilities that are crucial for efficient field operations. Their primary application lies in testing low to medium types of capacitive objects, which include essential infrastructure components such as transformers, switchgears, isolated busbars, and bushings. The ability to accurately assess the integrity of these components is paramount for maintaining reliable power distribution networks and industrial operations. Beyond static asset testing, these systems are also adept at testing cable systems, a critical function for ensuring the health and performance of underground and overhead power lines. Moreover, a significant and highly specialized application of these systems is their capacity for burning down high resistance cable faults with a high breakdown voltage. This feature is invaluable for quickly locating and isolating problematic sections of cables, drastically reducing downtime and facilitating prompt repairs. The inherent adaptability of the Megger HPA 100 AC series and 130 DC systems, coupled with their robust design, positions them as essential instruments for comprehensive electrical asset management and fault diagnosis across various industries.

Modular Design for Specific Needs

The Megger HPA 100 series is characterized by its intelligent modular design, allowing users to select a configuration that precisely matches their specific testing requirements. This thoughtful approach ensures that customers invest in the exact capabilities they need, without unnecessary features. The series comprises four distinct units, each tailored to different AC voltage testing thresholds. The HPA 100 model is designed for AC testing only, extending up to 100 kV RMS. For applications demanding slightly higher AC voltage, the HPA 110 provides testing capabilities up to 110 kV RMS AC. Stepping up further, the HPA 120 offers even greater AC testing power, reaching up to 120 kV RMS AC. The most versatile unit in the series is the HPA 130, which not only handles AC testing up to 100 kV RMS but can also be equipped with an optional rectifier for DC testing up to 130 kV. This modularity offers significant flexibility, allowing engineers and technicians to choose the optimal system for their unique testing scenarios, from routine maintenance checks to specialized fault location and diagnostic procedures. The ability to customize the system with the appropriate voltage range underscores Megger’s commitment to providing targeted and efficient solutions for high-voltage testing.

Precision for Partial Discharge Measurements

The Megger HPA 100 AC series and 130 DC systems stand out due to their exceptional suitability for sensitive partial discharge (PD) measurements. This critical capability is largely attributed to the system’s remarkably low intrinsic noise level, which is specified as being below 1 pC (picocoulomb). In the context of high-voltage testing, a low noise floor is paramount for accurate PD detection, as even minute electrical discharges within insulation can signify impending failures. When the system’s own operational noise is minimal, it allows for the clear identification of genuine partial discharge events emanating from the equipment under test, preventing false positives and ensuring reliable diagnostic results. This precision makes the HPA systems ideal as a voltage source for PD measurements, providing the stable and clean high-voltage environment necessary for these delicate assessments. Early and accurate detection of partial discharge is crucial for predictive maintenance strategies, enabling timely interventions to prevent catastrophic equipment failures, reduce costly downtime, and extend the operational life of high-voltage assets. The emphasis on low noise and high sensitivity solidifies the Megger HPA series as a leading choice for advanced diagnostic testing.

Operator Safety through Two-Piece Design

A cornerstone of the Megger HPA 100 series’ design philosophy is the unwavering commitment to operator safety. This is primarily achieved through its innovative two-piece design, which intelligently separates the high-voltage transformer from the control unit. This physical separation allows the operator to use the unit at a safe distance from the energized high-voltage components, significantly mitigating the risks associated with high-voltage testing. The control unit serves as the central interface for managing the high-voltage transformer. It is comprehensively equipped with essential components for precise control and monitoring, including a variac for smooth voltage adjustment, current/voltage display instruments for real-time feedback, a timer for the test duration to ensure accurate timing of tests, and a robust safety circuit designed to immediately de-energize the system in case of an anomaly or emergency. This thoughtful design not only enhances operator safety but also contributes to the overall reliability and ease of use of the system. The ability to control the high-voltage operations from a secure distance empowers technicians to conduct tests with confidence and precision, making the HPA series a highly practical and safe choice for high-voltage applications.

Sustained Performance and Robust Construction

The Megger HPA 100 series is engineered for sustained performance, designed to operate reliably for extended periods, adapting to various testing requirements. The system’s low voltage winding can be continuously excited from zero to the maximum value, offering precise control over the output voltage. This continuous adjustment capability ensures that a specific output is available for a pre-determined period, which can range from a few minutes for quick checks to continuous operation for prolonged testing cycles, depending on the application. This flexibility is vital for tests that require stable voltage application over time. The test transformer itself is constructed with durability and insulation integrity in mind. It is single-pole insulated and housed within an insulated cylinder with top and bottom flanges, providing robust protection. The primary insulation material utilized is oil-impregnated paper, a proven and highly effective dielectric material known for its excellent insulating properties and long-term stability under high electrical stress. This robust construction ensures the longevity and reliability of the HPA systems, even in demanding operational environments, underscoring their suitability for critical high-voltage testing tasks.

Global Access to Premium Quality

When it comes to acquiring the Megger HPA 100 AC series and 130 DC high voltage test systems, there is no better choice than the online store tpt24. As the premier online store for this exceptional product globally, tpt24 is committed to providing customers with an unparalleled purchasing experience. We understand the critical importance of authenticity and quality in high-voltage testing equipment, which is why tpt24 guarantees the originality and quality of every Megger HPA system sold. No matter where you are located in the world, tpt24 ensures that your product is delivered with the utmost care and efficiency, backed by our commitment to excellence. Our dedicated team is focused on ensuring customer satisfaction, offering a seamless process from order placement to delivery at your doorstep. Choosing tpt24 means choosing peace of mind, knowing that you are investing in a genuine Megger product that will perform to the highest standards, supported by a trusted global supplier.

Essential Technical Specifications at a Glance

The Megger HPA 100 AC series and 130 DC systems boast impressive technical specifications that underline their capabilities and performance. The power consumption of the system is rated at 5 kVA (Pn) for continuous operation, with a short-time power consumption (Pk, 1h) of 7.5 kVA, indicating its capacity for higher loads over shorter durations. The standard input voltage is 230 V / 50…60 Hz, making it compatible with common power supplies. Output voltage varies by model: HPA 100 provides 0…100 kV RMS AC, HPA 110 reaches 0…110 kV RMS AC, HPA 120 goes up to 0…120 kV RMS AC, and the HPA 130 offers 0…100 kV RMS AC and 0…130 kV DC. The measuring range for AC is 0…100 kV RMS, and for DC, it’s 0…150 kV. The system boasts a precision of 2.5%. Output current capabilities include 0…50 mA RMS continuous and a short circuit current of 75 mA RMS (1 h). The system’s own noise level for partial discharge measurements is impressively low, < 1 pC, making it highly suitable for sensitive PD applications. The control unit (HSG 10-1) weighs 75 kg (165 lbs.) with dimensions of 520 x 430 x 465 mm, while the transformer (HTR 100) weighs 225 kg (496 lbs.) with dimensions of 540 x 785 x 540 mm.