A simple power sensor for three-phase circuits considering phase load differences.
PAL-Plus type E2 | Hexacore Inc.
Corresponds to a three-phase three-wire circuit where load differences are expected. Using current information from two points, the usage trends of the circuit can be continuously recorded.
In three-phase equipment where motors, heaters, and control devices are connected, differences in current can occur among the phases depending on the operating conditions. Relying solely on calculations based on a balanced state may not adequately capture the usage trends of that circuit. The simple power sensor "PAL-Plus type E2" uses a pair of current detection units to calculate simple power and simple accumulated power for three-phase circuits and similar applications. 【Challenges】 - I want to confirm circuits where load differences among phases are expected. - It is difficult to capture usage trends with only balanced calculations. - I want to compare production and maintenance records with measurement history. 【Benefits of Implementation】 - Calculates simple power from two points of current information. - Records trends for circuits where load differences are expected. - Utilizes comparisons with production and maintenance records. You can check detailed specifications and compatible circuits in the downloadable materials. For more information, please download the materials or feel free to contact us.
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basic information
**Main Specifications** - Supported Circuits: Single-phase 3-wire, Three-phase 3-wire - Sensor Configuration: Two current detection units used as a pair - Measurement Items: AC current, simple power, simple accumulated energy, etc. - Rated Current: 125A, 250A, 400A, 630A - Communication Method: Modbus RTU (RS-485) - Mounting Method: Split clamp type - Upper-level Connection Examples: PLC, Gateway Box, Monitoring Software CEW-M4 Simple power and simple accumulated energy are reference values calculated from preset voltage and power factor values along with measured current. Please check the documentation for measurement accuracy, applicable cable diameter, wiring methods, and conditions for application to the target circuit.
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Applications/Examples of results
【Examples of Use】 - Continuous measurement of three-phase three-wire systems where load imbalance is expected - Trend confirmation of molding equipment circuits including motors, heaters, and control systems - Comparison of history before and after changes in equipment settings or operating conditions - Verification of production records, maintenance records, operating hours, and simplified electricity data - Preliminary examination of measurement methods for three-phase equipment This product does not perform detailed power quality analysis or automatic diagnosis of abnormal causes for each phase. Please confirm the necessary measurement objectives and accuracy.
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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.
