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Learn Everything about Split Core Current Transformer
Theory, Advantages, Disadvantages, How to Install, Why Split core, types, selection guide, manufactures, suppliers and many more..
The split core current transformer is designed for electrical metering applications specifically designed to be installed around primary current-carrying conductors without disconnecting wires or breaking the monitoring circuit. These current transformers are the best solution for applications in energy measurement and management.
This CT are specially designed for easy installation in applications like portable metering.
What is Split Core Current Transformer?
The split core current transformer is designed for electrical metering applications specifically designed to be installed around primary current-carrying conductors without disconnecting wires or breaking the monitoring circuit. These current transformers are the best solution for applications in energy measurement and management.
Split core current transformer produced for easy installation in applications like portable metering.
Split core current transformers are designed for semi-permanent installations systems. They contain a transformer in which one of the cores to position around the conductor can be opened or moved and then locked with a latch or some other sort of flange. It can mount these in electrical control panels to remotely track devices that occasionally monitored in inaccessible or harsh conditions while avoiding complex wiring. The working principle of Split core current transformer is the same as normal current transformers. ” When the flow of AC current in the primary winding generates an alternating magnetic field in the magnetic core which then mutually induces an alternating current in the secondary winding.”
The advantage of the split-core is that they can be retrofitted without disrupting it into a live network, which often makes them the unique alternative for engineers designing power meters. Split-core, or clamp-on, CTs provide an alternative to directly wiring to measurement or relay CTs in substation upgrade or retrofit applications when it is desired to add monitoring and SCADA data. This noninvasive approach provides for quicker installation with no disruption of service.
Applications of Split Core Current Transformer
- Sub-metering
- Power factor correction devices
- Metering (electrical energy meters)
- Active power filter
- Power measurement device for PLC
- Sensing Overload Current
- Ground fault detection
- Digital fault recorder
- In-factory display or in-home display
- Inverters for solar and wind turbine systems
- Electrical testing equipment and relay protection
- Current, power, energy monitoring devices
Advantages and Benefits of Using Split Core Current Transformer
The major advantages of split core CT over closed CT is
- Split core allows you to directly monitor AC current without breaking or interrupting supply.
- Easy to remotely monitor devices that place in inaccessible or harsh environments.
- They are easy to install
- Easily snapped over pre-existing wires
- Ideal for Portable electricity monitoring devices
Disadvantages
- Split core CTs may be more expensive
- Engineers also consider them to be less accurate than a solid core transformer.
| Specifications | Discriptions |
|---|---|
| Rated input current | Max Current you have to measure |
| Rated output current | Select as per measurment leval |
| phase angle error | Phase Shift angle in Seconday waveform |
| Isolation withstand voltage | Insulation Breakdoun Volatge leval |
| Turns Ratio | Secondary turns: Primary Turns e.g. 2000:1 |
| Accuracy Class | Class of accuracy in electrical measurements, if the class of accuracy is 0.2 that means an error of 0.2 A in a full scale 100A reading. |
| Linearity | % linearity w.r.t. change in input current |
| Installation | PCB mounting / wired |
| Operating Frequency | Supply voltage frequency in Hz |
| operating temperature | Desired Temp range in ℃ |
| Inside Diameter | in mm( Also Check for Square/Rectangle) |
Split Core Current Transformers Key Specifications
Current Sensor Requirements and specifications you must know before selecting one for your application
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Accuracy
In most applications, measurement accuracy directly affects the efficiency of an overall system. The accuracy of the power calculation depends on the accuracy of the current sensors. A class 1 power meter requires current sensors with accuracy much better than 1%.
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Drift
The drift of a sensor is related to the sustainability of a reading over time. Some variations of its characteristics may be caused by changes in the ambient humidity and temperature, component aging, and so on.
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Linearity
The linearity of the sensor refers to the stability of its characteristics within the full operating mode. A high linearity of the analog-sensing part is essential to measure a wide range of primary currents accurately, especially at low current levels.
-
Phase shift
The accuracy of the true active power or energy calculation is not only related to the accuracy and linearity of the AC current and voltage sensors in terms of amplitude, but also to the phase shift that may occur between the measurement of these correlated values. The phase shift should be as low as possible.
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Integration
Being self-powered, the CTs do not require any other wiring than a 2-wire output connection to the main power monitor unit. The typical 1-A and 5-A or 333-mV outputs are compatible with most standard power meters on the market. Current outputs are also almost insensitive to interferences and are preferable to voltage outputs when long cables are required to connect the sensors to the power meter.
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Price
The price of the sensors is important when accurate current sensors are required for 3-phase power measurement.
Types of split core CT
Depends on core material there are several different types of split core current transformer are available in the market that can be used in different applications.
1. FeSi split core CT
FeSi split core current transformer is the most affordable option. but, it have poor linearity, especially at lower currents.It is better suited for high current measurements only where precision is not as important as getting a rough figure for electricity consumption. Such CT are also large and weighty, so it has specific physical limits for use.
2. FeNi split core CT
If you’re searching for something more precise,a FeNi split core CT does a great job. Those provide a better measuring performance, including low current conditions. They’re also more expensive though. FeNi split core CT struggle with linearity and take up more space in your panel.
3. Ferrite split core CT
The modern ferrite core transformers have increased permeability and can be used in a wide variety of power monitoring applications, replacing both FeSi and FeNi transformers, even with low magnetic saturation. It provides an affordable alternative to transformers from FeSi and FeNi.
Split Core Current Transformer Price
Split core current transformer price will change brand to brand for latest price contact the below seller
Top Brands Latest Price, Manufacturers & Suppliers from China
Find here Split Core Current Transformer manufacturers, suppliers & exporters in China. Get the best CT for your applications from Chinese companies who manufacturing and supplying Split Core CT across the world.
YHDC since 1992, is focus on the production and sales of power transformer, current transformers, hall effect sensors, transducer,power meters and other electrical components.
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HEYI target to become a worldwide Energy Management leader. They focus on research, development and manufacturing CT, split core CT, smart meter etc., which is widely used in Smart Grid Industry all covering distribution.
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Powerway is formed in 2005, It is a leading producer of power and energy metering products electricity distribution and control. Powerway various power metering devices are designed for its flexible options, product range and affordable costing allowing users to manage how energy is distributed without ever sacrificing quality
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As a most advance and professional designer & manufacturer of CT, ECHUN provides split core CT, UL Listed (UL2808 XOBA) clamp on current transformers, zero-phase CT, potential transformers, hall current sensors, solid core current transformers, DC immune current transformers, transducers, rogowski coils and so on.
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Split core CT Manufacturers & Suppliers from India
Find here Split Core Current Transformer manufacturers, suppliers & exporters in India. Get the best CT for your applications from Indian manufacturing companies who producing and supplying Split Core CT across the India and the world.
VERITEK are into Manufacturing of wide range of electronic products which are broadly categorised to Sensing, Monitoring, Protection like Digital Panel meters, Current Transformer, Transducers, Earth Leakage Relays, Timers. The quality and service has remained unmatched since our inception in 1995.
Why Choose Veritek
- Manufacturer of current transformer for 21 years
- ISO 9000, ISO 14000, CE & ETL Founded in 1995,
Veritek Engineering Pvt. Ltd. Main Products a professional manufacturer of and Split core current transformer which is widely used in remote control, energy management & saving business.
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WAGO started its India operations in 1997 as WAGO & Controls Limited. The currently known WAGO Private Limited became a 100% subsidiary of WAGO Kontakttechnik, Germany in 2011 and has its manufacturing facility in NOIDA, Uttar Pradesh.
Why Choose WAGO
- Global Manufacturer of current transformer
- ISO 9000, ISO 14000, CE & ETL Founded in 1995,
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Rishabh Instruments Pvt. Ltd., with an experience of nearly three decades, is an organisation that has built its core competence in manufacturing, design and development of Test and Measuring Instruments and Industrial Control Products on strong fundamentals; in terms of people, infrastructure and financials.
Why Choose WAGO
- Global Manufacturer of current transformer
- ISO 9000, ISO 14000, CE & ETL Founded in 1995,
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Find here Current Transformers, Ct Transformer manufacturers, suppliers & exporters in India. Get contact details & address of companies manufacturing and supplying Current Transformers, Ct Transformer, Mini Precision Current Transformer across India.
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by Pramil
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