How do IP protection ratings work?
How do Ingress Protection ratings (IP) work? IP Protection ratings are based on two numbered codes that define the exact degree of protection. The first digit is resistance to solids.…
Comparison between BLDC versus Induction motor
In today’s technological era without an electric motor, we can never utilize electrical energy efficiently. The motor is a very important part of the electrical field. electrical motors are used in different industries for…
How to improve performance and reliability of induction motor?
Maintaining Motor Performance and Improving Motor Efficiency and reliability is the most critical factor nowadays. There are various different sources of losses in Electric motors such as friction, dissipation of…
How to maintain quality of electric pump and motors
Problem Faced by Pump and Motor manufacturer The most perplexing question for Electric pump and Motor manufacture is to maintain the quality of electric pump and motors and it’s replacement…
What is the difference between PMDC, BLDC, and PMSM motor
Brushless DC machines ( BLDC), Permanent Magnet Synchronous Machines (PMSM), Permanent magnet dc motor (PMDC) usage is ubiquitous. There is a lot of common knowledge on these technologies. PMDC are…
How to Measure the Strength of a Magnet
If you know how to measure the strength of a magnet, you know the value of your investment. magnets come in many strengths, and you can use a gauss meter…
Construction and working principle of switched reluctance motor (SRM)
What is switched reluctance motor? The switched reluctance motor (SRM) is an electric motor that runs by reluctance torque. Unlike common brushed DC motor types, power is delivered to windings in the stator (case) rather than the rotor. Switched Reluctance Motor…
why does induction motor draws a high current at starting
The induction motor draws a high starting current as compared to the running condition. The starting current of the induction motor is about 5 or 6 times the motor full…
Importance of air gap for motor design
The air gap refers to an actual physical gap in an electric motor that separates the moving rotor and the stator core. air gap is a non-magnetic part of a magnetic circuit. It’s…
Copper winding vs Aluminum winding in the motor
Copper Winding vs. Aluminum Windings debate goes on. In the 70’s, many motors were wound with aluminum, but this faded in the 80’s. It remains a topic of discussion today…
What is a Solar Water Pump?
The solar water pump is a socially and environmentally attractive technology to supply water. Especially if the need for water is in remote areas that are beyond the reach of…
Various Types of casing in Centrifugal Pumps
What Is casing in centrifugal pumps? Casing in centrifugal pump serves to seal off the inside of the pump to the atmosphere to prevent leakage and retain pressure. In the…
14 causes of submersible pump and motor failure
Submersible Pump and motor failure can result in extended downtimes, repeated repairs, and higher maintenance costs. submersible pump and motor failure cause understanding can help in the selection of the…
What is Electromagnetic Flowmeter Working Principle?
What is an Electromagnetic Flowmeter An electromagnetic Flowmeter, simply known as a magnetic flowmeter ( Magmeter, Flowmeter, flow measuring device, Megflow, etc.) is a volumetric flow meter. It is a transducer that measures…
What Is a submersible pump?
A submersible pump also called an electric submersible pump, is a pump that can be fully submerged in water. The motor is hermetically sealed and close-coupled to the body of…
What causes pump cavitation and how to avoid it?
Have a pump that makes popping sounds, or sounds like it’s pumping marbles? If so, you may have a cavitation problem. Pump cavitation can cause a number of issues for…
A brief understanding of leakage current testing
What Is Leakage Current? Leakage current is the current that streams from either DC or AC circuit in an equipment to the ground or framework and can be from the output or input. If the equipment is not…
Important Pump Terminology
A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action, typically converted from electrical energy into Hydraulic energy. Important Pumping terminology is described below. 1)…
7 Ways to Improve Electric Motor Efficiency
From Home appliances to industrial applications Electric Motor playing significant role. So Electric motor efficiency determines how well the appliance will perform. That’s true that electric motors consume more electricity…
How to know starting and running winding for single-phase induction Motor
It is also called main and the auxiliary windings that are present in single phase ac motors like the one’s used in submersible motors. Basic principle of an induction motor…
Different ways to improve starting torque of A. C. induction motors.
Existing single-phase induction motors exhibit low starting torque. Moreover, during accelerating time and at a steady-state, they produce a significant level of torque pulsations which gives rise to noise and…
Why Winding Resistance Test is Important for the Motor?
Winding resistance test measurements detect various faults in motors and transformers: shorted turns, loose connections, broken strands, and malfunctioning tap changer mechanisms. Studies conducted by IEEE and the Electric Power…
What is the Delivery Failure issue for centrifugal pumps?
This is the commonly seen issue in pumps. When the pump is not able to deliver the required pressure it is considered to be a delivery failure problem. Steps to…
What is friction losses in the pumping system and how to minimize it?
Friction loss essentially refers to resistance caused by fluid flowing through pumps, pipes, and fitting. That resistance results in decreased pumping pressure and decreased fluid velocity. Friction between the adjacent…
What is a solar simulator and also specify the use of a solar simulator for Pump testing?
A solar simulator is also known as a Solar array simulator (SAS) is simply a programmable DC power supply that provides illumination approximating natural sunlight. The purpose of the solar…
Importance of Blocked Rotor Test on Motors
What Is Blocked Rotor Test? A blocked rotor test is conducted on an induction motor. It is also known as short circuit test, locked rotor test or stalled torque test.…
Why Single phase induction motor is not self starting?
According to the double field revolving theory, we can resolve any alternating quantity into two components. Each component has a magnitude equal to half of the maximum magnitude of the…
Why High Voltage Test is important for Motors or any Electrical Equipment?
A high voltage is used to verify that the clearances and solid insulation of components have adequate dielectric strength to resist expected overvoltage conditions. It also shows that the equipment…
Construction and Working Principle of BLDC Motor
The construction and working principles of BLDC motors have many similarities to AC induction motors and brushed DC motors. Like all other motors, BLDC motors also have a rotor and…
History of Brushed , Brushless Motor and Advantages of Brushless motors
Brushed DC motors have been used since 1856, and are still often used for electrical propulsion, cranes, paper machines, and steel rolling mills. However, since their brushes wear down…
Why Sensors are Key Element In the Internet of Things and its various Types
Different types of applications require different types of sensors to collect data from the environment. This article takes a look at some common IoT sensors In an Internet of Things…
“WHAT IS THE NEXT” for Pump Industry- Internet on things (IoT) can bring Transformation in Pumping Industry
Advancements in digital technologies are changing our world. The rapid growth of connected, intelligent devices and the decreasing cost of computing and connectivity are driving this transformation. IoT devices can…
4 Most Common Causes of A Critical Failure In Submersible Motors
Submersible motor failures can cause problems both in terms of cost and time-management, but they are preventable. Here, we explore the 4 most common causes of a critical failure in…
Why Surge Voltage Testing Is Important For Motors?
Surge voltage testing is used to discover insulation problems in wound materials. In studies, experts have determined that 60% of motor failures start out as coil shorts within a winding.…
Why PMSM Motor Is More Suitable For Pumping Applications?
Most hydrocarbon production using submersible pumps requires pumping of fluid that is 95% water or higher. Energy used to produce saltwater is wasted, and disposal is expensive. Electricity costs are…
What kind of protection required for pumps ?
Every year, more than 20% of electric motors installed burnout around the world. This is in spite of protection systems being provided. This proves inadequacy of selected protection systems. In…
Why star delta starter required for a 3 phase induction motor with a higher rating?
Most induction motors are started directly on line, but when very large motors are started that way, they cause a disturbance of voltage on the supply lines due to the…
What is Auto Transformer Starter?
What is auto transformer ? An autotransformer is an electrical transformer with only one winding. The term “auto” refers to a single coil acting alone, not to any kind of automatic mechanism. In electrical engineering, the Korndorfer starter is…
Why DC motors is best choice then AC motors for solar application ?
BLDC solar pump works in low radiance also It starts early in the morning and continues to work till late in the evening. BLDC pump works efficiently than normal AC motor and gives more water output. Consequently, AC motors are less…
