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Терраэлектроника

Signal Processing Subsystem and Current Input Based Self Power for Breaker Applications (ACB/MCCB) (TIDA-00498)

THe TIDA-00498 reference design features signal processing front-end and self-power block for electronic trip unit (ETU) used in circuit breakers. A FRAM based micro-controller is used for processing current inputs from signal conditioning amplifiers for 3-phase, neutral and ground current. Two gains are used to extend the range for phase current measurement. This reference design can also self-power using rectified current input. TIDA-00498 is desiged for fast and repeatable tripping (within 30mS) for wide current and temperature range.

Возможности

Measures three currents (phase) with input range of (0.2 to 12 INOMINAL) and two current (Neutral, Earth) with (0.05 to 2 INOMINAL) within ±3% Uses TI’s MSP430™ FRAM MCU for Fast Startup, Startup Time Including One-Cycle RMS Computation is < 30 ms Undervoltage Sense Provides Approximate 200-μs Reset Time After Power-Up Self-Power Supply (Rectified Current Input Based) With MOSFET-Based Shunt Regulation

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Спецификация (BOM)

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Signal Processing Subsystem and Current Input Based Self Power for Breaker Applications (ACB/MCCB) TIDA-00498

Возможность заказа

Покупка печатной платы для TIDA-00498

Цена: 2637 r
от 3 шт. 1397 q
от 5 шт. 1176 q
Срок поставки 3 недели

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