Testing and Quality Control

​Oswell maintains the continuous effectiveness of the quality system through annual audits, continuously improves and avoids making the same mistakes, good continuous training methods, strict technological processes, throughout the daily management of all aspects.

Current transformer power take-off device

Features ● Output standard DC voltage ● Power-taking CT open-close structure, easy to install and operate ● The power conversion device is fixed with screws, which is easy to install ● Reserved for external energy storage device port

Current Transformer and Potential Transformer

Also known as CTs, current transformers are devices that measure alternating current. They are widely used to measure high magnitude currents. A current transformer essentially lowers (steps down) a high current to a lower, safer level that you can manage properly. It steps down the current to be measured so that you can measure it with an average range ammeter.

High Precision Current Transformer

● low price ● Various sizes ● Asymmetrical PCB mounting mode ● Single-turn through-core primary winding application ● Applied to occasions requiring high precision and small phase error ● Applied to high-precision measuring devices for current, power and electric energy

single-turn current transformer Core column type

Core column type: The primary coil is a copper column installed in the wall-penetrating magnetic sleeve, and the wall-penetrating The magnetic sleeve is the main connection between the primary coil and the secondary coil and the primary coil to the ground.

How many open current transformers should be installed in the distribution box, do you know?

When we open the power distribution cabinet, we can see that there are many current transformers in it. Some power distribution cabinets have only one, and some even have five or six. In fact, they all induce current signals from the bus, but the measured currents have different effects. So what role do they all play in the power distribution cabinet?

Application of current transformers

The wiring of the current transformer should follow the series principle: that is, the primary winding should be connected in series with the circuit under test, while the secondary winding should be connected in series with all instrument loads.

Enterprises adapt to mobile office

In many work links, such as quotation, after-sales, logistics, etc., during the epidemic, we did not completely press the pause button, but all departments worked together and cooperated to promote the promotion and development of business and various tasks.

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