Name: CEX133-D28-339PN Eaton
Price: 7666 CNY
Availability: InStock

Description

Application Case of EATON CEX133-D28-339PN Transformer‌

‌1. Core Functionality‌

The ‌CEX133-D28-339PN‌ transformer is designed for precision current management in power systems, featuring:

‌Active Inrush Current Detection‌:
- Sensitivity adjustment via ‌pickup ratio‌ (typically set to 10% with a 15% harmonic-to-fundamental wave threshold)1.
- Detection duration: ‌5 seconds‌ to account for single-winding surge conditions1.
‌Amplitude Compensation‌:
- Coefficients ‌a1/a2‌ calibrate discrepancies between CT-rated and transformer-rated currents1.

‌2. Technical Specifications‌

‌Parameter‌	‌Value/Description‌
‌Reference Current‌	Matches transformer-rated current unless adjusted via factors a1/a21
‌Winding Configuration‌	Dual-winding (equal power rating per winding)1
‌CT Compatibility‌	Compensated via A/D channel reference values1

‌3. Typical Deployment‌

‌Scenario‌: Integrated into dual-fuel turbine control systems (e.g., air intake valve regulation)2.
‌Safety‌: SIL 3 compliance for emergency stop circuits.
‌Calibration‌: Requires firmware updates for dynamic load adaptation

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