1. Design philosophy: All technological innovations starting from the user
1.1 Solve the long-standing difficulties in industry installation
The KCT series split core current transformer newly launched by KEYI Electric has indeed solved the particularly troublesome problem of traditional current transformer installation requiring power outage. For example, the application of KCT-10 in data centers - its biggest advantage is that it can be installed completely without power outages, and there is no need to worry about server downtime causing significant losses.
The installation is also very simple, only requiring three steps: opening the fixture, fitting the cable, and closing the lock. The entire process can be completed in one minute. Previously, a large Internet company used this product to transform the data center, and the installation efficiency was improved by a full 80%. A single project saved nearly 500000 yuan in power outage costs.
1.2 Highlights of innovative structural design
The KCT series uses high-strength engineering plastic shells with a flame retardant rating of UL94-V0, making it particularly safe to use. Its opening is designed to be particularly wide, like the KCT-24 model, even if the cable or busbar diameter is 24mm, it can be easily inserted. The hinge part adopts a unique safety lock design, reinforced with stainless steel structure, which is particularly sturdy and will not loosen even under a tensile force of 50N.
This series has multiple specifications from KCT-6 to KCT-50, with a wide range of interface types, including audio plugs, power plugs, and five other options. Whether it is a smart home or industrial automation scenario, suitable installation methods can be found.
1.3 Core performance advantages
The KCT series split core current transformer is not only compact, but also highly cost-effective. For example, the KCT-16 has a size that is only one-third of a traditional transformer, but its accuracy can reach level 0.5, resulting in a 40% reduction in cost. Its high-frequency characteristics are also excellent, supporting a wide frequency response from 50Hz to 2kHz, and can even handle high demand scenarios such as harmonic analysis.
For example, a new energy vehicle charging station uses it to monitor the current of charging piles, with a maximum measurement of 1000A, providing reliable data guarantee for charging safety.
2.1 Actual performance of precise measurement
The KCT series split core current transformer uses high-quality silicon steel sheets, combined with special winding technology, resulting in particularly accurate measured data. Take the KCT-32 model as an example, its ratio error can be controlled within ± 1.0%, and the angle deviation is also very small.
Previously, a precision manufacturing factory used this series for power quality monitoring and successfully detected over 3% of current harmonics. After optimizing the device with this data, they saved 1.2 million yuan in just one year of electricity!
Moreover, it has a wide response frequency and can keep up with the common harmonic interference in the power system. It is used for power quality analysis and the data is particularly reliable.
2.2 Safe, reliable and guaranteed
This product comes with a protective resistor that can convert the output signal into a safe low voltage signal, making it very reassuring to use. Take KCT-50 as an example, its insulation performance is particularly good, with a withstand voltage of up to 2.5KV, even when used in high voltage environments, there is no problem at all.
In addition, it adopts a multi-layer shielding design, which has strong anti electromagnetic interference ability, and the measured data is accurate and stable. It was used in a certain subway power supply system before, and despite the complex electromagnetic environment around it, it can still maintain stable measurements, providing a solid guarantee for the safe operation of the subway.
2.3 Strong adaptability to the environment
This product has a particularly wide operating temperature range, from minus 20 degrees to over 50 degrees, and is not afraid of even the harshest environments. For example, in some particularly cold photovoltaic power plants in the north, even if the temperature drops to minus 20 degrees, the KCT series can still work normally.
There is also a wind power project in a high-altitude area, even at an altitude of over 3000 meters, which operates steadily and provides accurate current data to the wind turbine monitoring system. As a result, the annual power generation of this project has increased by 15%, and the effect is quite good!
3.1 Accurate measurement of sub tables
The KCT series of split core current transformers are now used in many commercial buildings and factory workshops. It is mainly used for sub item measurement - in simple terms, it can separate the electrical energy of different lines for calculation.
For example, a large commercial center is equipped with KCT-16, which monitors different electrical circuits such as lighting, air conditioning, and power in real time. In this way, it can be clearly seen where electricity is used, when energy consumption is highest, and whether there is any abnormal use of electricity. As a result, over the course of a year, energy was saved by 15% and electricity bills were reduced by over 1.5 million yuan!
3.2 Data recording and analysis
KCT can be used in conjunction with a data logger to continuously collect current data for building energy consumption analysis, equipment status assessment, and even mechanical performance diagnosis.
For example, there is an intelligent manufacturing park that uses KCT-24 with data recorders to constantly monitor the operation of motors on the production line. As a result, we detected signs of equipment aging in advance and quickly arranged for maintenance, effectively avoiding production interruptions caused by sudden shutdowns!
3.3 Fault diagnosis of power system
The KCT series can also be used in conjunction with a digital fault recorder (DFR), which can be used for fault recording and post analysis in both power grids and factory equipment.
This thing has high accuracy and fast response. It can catch any momentary fluctuations in current, and the operation and maintenance colleagues can quickly locate fault points such as short circuits and overloads with it. The entire system runs more reliably and confidently.
3.4. Smart grid and load center monitoring
In the construction of smart grids, the KCT series is often installed in key locations such as load centers and distribution cabinets, which can monitor current and power in real time and easily transmit data.
For example, in the past, a certain city used KCT-24 to renovate its distribution network. It measures very accurately in the high current range of 100A to 400A, helping the automation system balance the load, quickly isolate faults, and greatly reduce the losses of the entire line.
3.5 Three phase balance control
The KCT product can be used in conjunction with an energy management system to monitor and adjust the balance of three-phase currents in real time, avoiding equipment heating or reduced efficiency caused by current imbalance.
For example, a data center uses KCT-16 to monitor three-phase power supply in real-time, dynamically adjust load distribution, and keep current imbalance within 5%. This not only makes the power supply more stable, but also extends the lifespan of the equipment significantly.
3.6. Display and educational applications
The KCT series is particularly suitable for use in factory display areas or smart home demonstration sites due to its small size, safety, and ease of installation.
For example, at the smart home exhibition booth, using KCT-6 to display the real-time current changes of household appliances, the energy-saving effect is clear at a glance. In this way, the experience is more intuitive and people trust this product more.
3.7 Integration of new energy systems
The KCT series is particularly common in new energy projects such as solar and wind power. It can measure a high current of 1000A, allowing the inverter to work efficiently and safely.
Previously, there was a 50MW photovoltaic power station that relied on KCT-50 to continuously monitor the output current of the inverter. In the end, not only did the power generation of the entire system increase by 3%, but the battery life was also extended by more than 20%.
3.8 Industrial Automation and PLC Systems
The KCT product can be used in conjunction with a PLC (commonly known as a programmable controller) to build a high-precision power monitoring and control system.
Industries such as automobile manufacturing and food processing often use KCT-16 to collect real-time motor current signals and transmit them to PLC for analysis and control. In this way, the system can detect problems in advance, achieve predictive maintenance, and greatly reduce the failure rate and repair costs.
Compay：HEYI Electrical Co., Ltd.
Brand: HEYI/ASCT
Contact: Bethy
E-mail: heyi@heyiele.com
Tel: 86-13968747975
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