Comparison and selection of simple electric power sensors suitable for three-phase circuits.
PAL-Plus typeE/typeE2 | Hexacore Inc.
Organize the differences between single-phase 2-wire, single-phase 3-wire, and three-phase 3-wire, as well as 1CT and 2CT. We will assist in product selection based on circuit configuration, rated current, and required accuracy.
When introducing a simple electric power sensor to three-phase equipment, it is necessary to confirm not only the current capacity but also the circuit type, load conditions, and required measurement accuracy. The PAL-Plus type E uses a single current detection unit and is compatible with single-phase two-wire and three-phase three-wire systems. The simple electric power sensor "PAL-Plus type E2" uses two current detection units as a set to calculate simple power and simple accumulated electric power for three-phase circuits, among others. 【Issues】 - I want to choose a measurement method suitable for three-phase circuits. - The difference between 1CT and 2CT is hard to understand. - I want to determine the model based on circuit type and required accuracy. 【Benefits of Implementation】 - Organize the differences in compatible circuits and CT configurations. - Compare based on rated values, load conditions, and required accuracy. - Support the selection of sensors that match measurement purposes. You can check detailed specifications and compatible circuits in the downloadable materials. For more details, please download the materials or feel free to contact us.
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basic information
【PAL-Plus typeE】 - Supported circuits: Single-phase 2-wire, three-phase 3-wire - Sensor configuration: Uses one current detection unit - Rated current: 60A, 125A, 250A, 400A, 630A - Three-phase 3-wire: Converted as a balanced three-phase circuit 【PAL-Plus typeE2】 - Supported circuits: Single-phase 3-wire, three-phase 3-wire - Sensor configuration: Uses two current detection units as a set - Rated current: 125A, 250A, 400A, 630A 【Common】 - Measurement items: AC current, simple power, simple accumulated energy, etc. - Communication method: Modbus RTU (RS-485) - Mounting method: Split clamp type - Upper-level connection examples: PLC, Gateway BOX, CEW-M4 Simple power and simple accumulated energy are reference values calculated from the set voltage and power factor values and the measured current.
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Applications/Examples of results
【Selected Uses】 - Consider type E for single-phase two-wire circuits. - Consider type E2 for single-phase three-wire circuits. - Consider type E for simplified measurements of balanced loads in three-phase three-wire circuits. - Consider type E2 for three-phase three-wire circuits where load imbalance is expected. - Consider type E for 60A circuits. - For 125A to 630A, selection will depend on the circuit configuration and load conditions. Final selection should be made after confirming the target circuit, actual current, cable diameter, required measurement accuracy, and upper connection conditions.
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Company information
HexaCORE Co., Ltd. (formerly Chuo Seisakusho Co., Ltd.) Head Office and Factory
Company profile: Hexacore Inc. designs, manufactures and sells telecommunications and data centre equipment, as well as measurement and monitoring systems. In a world moving towards sustainability, telecommunications and energy infrastructure remain essential to our daily lives. Hexacore offers solutions that support the construction of safe and efficient communication facilities, promoting energy efficiency and backed by technical expertise and a customer-oriented support system. Notice: Please note that, effective 1 April 2023, our company name was changed from Chuo Seisakusho Co., Ltd. to Hexacore Inc.
