Pad Mount Transformer
Pad Mount Transformer or Pad-Mounted Transformer, it doesn't matter what
you call it because they both mean the same thing. It's a tamper-proof transformer
that sits on a concrete pad. Pad mount transformers distribute electrical power
for various applications. Here are five important things to know about a pad
When it Comes to Pad Mount Transformers Think "Inside" the Box
Most Pad Mount Transformers are Full of It - Oil That Is
Pad Mount Transformers are Key (Superstars) to the Power Distribution System.
Pad mount transformers work in association with underground power lines. These transformers are strategically located at service drops, which is where transformers "step down" the high voltages supplied by utilities and electric companies, into a lower voltage able to supply electricity to customers' homes and businesses. The size of the transformer will determine how much power is supplied for the application, which could be a single house/business, or an entire neighborhood.
Pad Mount Transformers are Not One-Size-Fits-All
T&R Electric can provide new or reconditioned pad mount transformers. The power ratings, voltages, and cabinet sizes can be custom built for a variety of specifications and applications. The power ratings can be as low as 1 KVA in a single phase pad mount, and T&R Electric has built custom pad mounts up to 10,000 KVA in three phase units. They often include fuses, switches, and gauges that are all built right into the transformer, and are customized to whatever the end-user needs.
A Station Type Transformer is Different than a Pad Mount - A Horse of a
The Benefits of Purchasing Remanufactured Transformers
There are many benefits to purchasing remanufactured transformers. Reduced down time. Less environmental impact. And cost savings. Whether you are a utility, commercial property, or industrial complex, remanufactured transformers are a safe, economical option for your electrical requirements. T&R Electric Supply Company, Inc. is the largest supplier of remanufactured transformers in the United States. Consider these benefits as you examine your transformer needs.
Remanufactured is restored to like-new condition
Pad mount transformers, pole mount transformers, or substation transformers can all be remanufactured, to like-new condition. This means they are not only operational, but completely refinished to appear brand new. Our remanufacturing capabilities include testing, evaluation, diagnosis, disassembly, and coil winding.
T&R Electric Supply Company, Inc. has decades of experience in remanufacturing all dimensions, voltages, and types of transformers. Single phase or three phase, every remanufactured transformer is cleaned, inspected, and thoroughly tested to industry standards. This intense process ensures your remanufactured transformer performs exactly as required, and allows T&R Electric Supply Company, Inc. to offer a three year warranty.
Remanufacturing usually means reduced down time
Of course you've heard the saying, "they don't make them like they used to." Many older transformers were built very conservatively. This means they have a greater capacity to be modified. Often times, there is not this option with newly manufactured transformers. Remanufacturing is typically faster, and is often 20-30% less expensive than new transformers.
A remanufactured transformer can greatly reduce your repair cost. It can also reduce any required repair time. Because T&R Electric Supply Company, Inc. has been in the transformer business since 1961, we are well-stocked with several different types of electrical equipment. This means we can expedite transformer orders with shorter lead times, and typically less expense, than new.
Remanufactured is better for the environment
When you purchase a remanufactured transformer, you are keeping various electrical components and oil in circulation . Why get rid of something valuable that can be put back to work for good use?
With a remanufactured transformer from T&R Electric Supply Company, Inc., you do not have to sacrifice safety, operation, or environmental impact. Our transformers are not only built from existing inventory, they are highly efficient. They are a great option for reliable electricity that does not add to environmental waste. We take great pride in what we remanufacture and how we reuse our materials.
T&R Electric Supply Company, Inc. has decades of experience in pad mount, pole mount, substation, dry and oil-filled transformers and components. To learn more about the benefits of remanufactured transformers, contact T&R Electric Supply Company, Inc. to see how our transformers can best be put to work for you.
Constant Current Defined
T&R Electrical Supply Company Incorporated is in the business of electricity. In our daily lives, we may take electricity for granted. But in business, understanding all of its properties is crucial to success and safety. Today we're discussing the difference between constant current and constant voltage with Kent Miller, a registered professional engineer that's been working with T&R for over 40 years.
Kent graduated from the University of Arkansas in 1960 and was inducted into the Arkansas Academy of Electrical Engineering in 1981. Kent was a charter member of the Institute of Electrical and Electronics Engineers (IEEE), and has been a senior member since 1983. You could say he's an expert in the industry.
Constant Current versus Constant Voltage
"In general, the difference between the constant current and constant voltage is based on the whether the voltage or current varies across the load," Kent explains. A constant current system fluctuates the voltage to maintain a constant flow of energy. A driver circuit is used as a current regulator when a component has a constant current. It contains a feedback loop to adjust the current to hold a set value. Usually there is some sort of voltage limiter circuit to keep the voltage below a fixed value. Applications for a constant current include: LED's, florescent lamps, shielded metal arc welding, and gas tungsten arc welding.
By contrast, constant voltage contains a feedback loop to adjust voltage to hold a set value. Usually it also has some sort of current limiter circuit, or a fuse to protect against too much current being drawn. It provides the ability to fluctuate output current while maintaining a set voltage, for example in welding. Constant voltage reduces weld 'splash' and is often used to weld rounded parts.
Currents, Voltage and Transformers
In the case of T&R Electrical Supply, let's talk about current in our transformers. "The constant current transformer, or regulator, supplies the same current from a dead short to the maximum voltage it can supply," said Miller. "It is normally used for supplying current to series streetlights in downtown areas where constant current is desired. However, several years ago most cities have retired replaced these lights with 120, 240, or 277 volt bulbs instead."
On the other hand, constant voltage transformers are used in hospitals today, for x-ray machines, where voltage fluctuations cannot be tolerated. Another application would be most utility companies, who use voltage regulators. Although these are not actually "constant voltage" transformers, they can regulate the output voltage to approximately one to two percent of input voltage.
T&R Electric Supply Company is a dependable supplier of transformers and other high voltage electrical apparatus to municipalities, REA's, investor-owned utilities, commercial and industrial customers. For more information, call 1(800)843-7994 inside the US and 1(605)534-3555, and let one of our experienced salespeople help you today!
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