Supplying Large Electric Motors and Pumps Since 1989

High-voltage motors are the workhorses of many industrial applications, operating under extreme conditions to drive critical machinery. However, the reliable operation of these motors can be compromised by partial discharges (PD), which are localized breakdowns in the insulation system. Detecting PD early is crucial to prevent catastrophic motor failures and unplanned downtime. In this blog […]

As motor repair and manufacturing professionals, ensuring the optimal performance of synchronous machines is crucial for maintaining efficiency and reliability in industrial operations. One essential diagnostic test that helps in assessing the health of synchronous machines is the No-Load Current Test. This test provides valuable insights into the machine’s condition, allowing technicians to identify potential […]

When it comes to ensuring the reliability and efficiency of electric motors, megger testing is an essential diagnostic tool. Megger testing, also known as insulation resistance testing, helps identify potential insulation issues that could lead to motor failures if left unchecked. In this guide, we will walk you through the step-by-step process of conducting a […]

Ensuring the reliability and efficiency of industrial motors is crucial for the smooth operation of various manufacturing processes. One essential method to evaluate the performance of these motors is by conducting an IEEE 112 load test. This standardized test helps assess the motor’s capability to handle different load levels, providing valuable insights into its overall […]

As motor repair and manufacturing professionals, ensuring the reliability and safety of electric motors is paramount. Turn-to-turn insulation plays a crucial role in preventing motor failures due to short circuits or voltage spikes. One effective method for evaluating the integrity of turn-to-turn insulation is through IEEE 522 surge tests. In this blog post, we will […]

Understanding core loss test results in laminated steel stacks is crucial for motor manufacturers and repair technicians to ensure optimal performance and efficiency. Core losses, which encompass hysteresis and eddy current losses, play a significant role in determining the overall efficiency of an electric motor. Interpreting these test results accurately can help identify potential issues, […]

As motor repair and manufacturing professionals, we understand the critical importance of conducting DC High Potential (HiPot) tests to ensure the safety and reliability of electrical equipment. HiPot testing is a standard procedure used to verify insulation integrity and detect potential electrical weaknesses before they lead to costly failures or safety hazards. In this blog […]

Ensuring the reliability and performance of electric motors is crucial for industries that rely on these workhorses to power their operations. One critical aspect of maintaining electric motor health is insulation resistance testing, as outlined in the renowned IEEE 43 standard. By following the guidelines set forth in IEEE 43, motor repair and manufacturing companies […]

As motor repair and manufacturing professionals, ensuring the reliability and performance of electrical equipment is paramount. Surge testing, in accordance with IEEE 522 standards, is a critical process in assessing the insulation integrity of motors and generators. By following these standardized procedures, technicians can identify potential issues early on, preventing costly downtime and failures. Let’s […]

As motor service centers strive to meet the stringent requirements of API 541, the industry standard for high-quality electric motors, adherence to testing protocols becomes paramount. Ensuring that motors are tested in line with API 541 specifications not only guarantees compliance but also enhances motor performance and longevity. In this blog post, we delve into […]

When it comes to maintaining electric motors, understanding key diagnostic tests and parameters is crucial to ensuring optimal performance and longevity. Two important indicators that play a significant role in assessing the insulation condition of a motor are the Polarization Index (PI) and Dielectric Absorption Ratio (DAR), as outlined in the IEEE 43 standard. Let’s […]

Conducting a Step Voltage Withstand Test, as outlined in IEEE 95 standards, is a critical process in ensuring the reliability and safety of electrical equipment. This test assesses the insulation system’s ability to withstand high voltage stress over time, helping to prevent potential failures and hazards in motor operations. In this blog post, we will […]

As motor repair and manufacturing professionals, ensuring the reliability and efficiency of electrical systems is paramount to our work. One crucial aspect of this process is performing loop tests in accordance with IEEE 432 standards. These tests are essential for verifying the proper functionality of control loops in motor systems, helping to prevent potential issues […]

Equipment downtime can be a significant headache for any industrial operation, leading to lost productivity, revenue, and customer dissatisfaction. Implementing a robust preventive maintenance program is key to reducing unexpected breakdowns and keeping your machinery running smoothly. By proactively addressing potential issues before they escalate, you can minimize downtime and maximize the efficiency and lifespan […]

As technology continues to advance, the motor repair and manufacturing industry is constantly evolving to meet the demands of the modern world. One such innovation that has revolutionized the way we design and analyze large-frame motors is 3D modeling. At The Pump & Motor Works, Inc. (PMW), we utilize state-of-the-art 3D modeling techniques to enhance […]

As the heart of an induction motor, the rotor plays a crucial role in ensuring the efficient operation of the machine. One of the key components of the rotor is the rotor bars, which are responsible for carrying the current that generates the motor’s electromagnetic field. However, rotor bars are also susceptible to various forms […]

When it comes to maintaining electric motors, one crucial decision that technicians and facility managers often face is whether to repair or replace a malfunctioning motor. This decision can have significant implications for both cost-effectiveness and operational efficiency. Understanding the key factors that influence this decision is essential for making the right choice. In this […]

As a startup in the industrial sector, finding reliable and efficient solutions for motor control is crucial to ensure smooth operations and cost-effectiveness. At PMW, we understand the unique challenges that startups face when it comes to motor control applications. That’s why we specialize in designing liquid rheostat solutions tailored to the needs of startups, […]

In the fast-paced world of industrial plants, equipment maintenance is often seen as a routine task that can be deferred to save time and resources. However, when it comes to motors, deferring maintenance can have significant consequences that go beyond just the immediate cost savings. In this blog post, we will explore the real cost […]

When it comes to ensuring the reliability and performance of refurbished motors, surge waveform testing plays a crucial role in identifying potential issues that may not be detectable through visual inspection alone. As a motor repair and manufacturing company with decades of experience, we understand the significance of surge waveform testing in verifying the quality […]

When it comes to ensuring the safety and reliability of electrical equipment, high potential (hipot) testing is a crucial step in the manufacturing and maintenance processes. One key decision that engineers and technicians must make is whether to perform hipot testing using alternating current (AC) or direct current (DC). Understanding the key differences between AC […]

As a motor repair and manufacturing company, understanding temperature rise during motor load testing is crucial for ensuring the efficiency and longevity of your equipment. Temperature rise is a key indicator of a motor’s health and performance under operating conditions. In this blog post, we will delve into the intricacies of interpreting temperature rise during […]

Proper alignment is crucial for the efficient operation and longevity of rotating machinery in industrial settings. Laser alignment has become a standard practice for achieving precision in field installations, ensuring that motors, pumps, and other equipment run smoothly and avoid premature wear. In this blog post, we will discuss the best practices for laser alignment […]

In the realm of high-voltage motors, ensuring optimal performance and longevity is paramount for industries that rely on these critical components. One of the key challenges in maintaining high-voltage motors is the early detection of potential insulation breakdowns, which can lead to costly downtime and repairs if left unaddressed. This is where partial discharge detection […]

As technology continues to advance in the realm of motor testing and maintenance, the use of Partial Discharge (PD) testing has become increasingly crucial for ensuring the reliability and efficiency of electrical equipment. Within the realm of PD testing, Very Low Frequency (VLF) testing has emerged as a powerful tool for detecting insulation weaknesses in […]

When it comes to remanufacturing electric motors, ensuring the quality and reliability of the stator core is paramount. The stator core is the heart of an electric motor, and any defects or weaknesses in this component can lead to performance issues and premature failures. This is why stator core testing plays a crucial role in […]