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Hướng dẫn 5 bước để chọn máy phân tích CT PT phù hợp vào năm 2025
Đọc thêmAbstract The operational integrity of power systems is fundamentally dependent on the accuracy of instrument transformers. Current transformers (CTs) along with potential transformers (PTs) are crucial apparatuses that scale down high currents and voltages to safe, measurable levels for protection relays and metering equipment. A failure or inaccuracy in these components can lead to catastrophic […]
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Why Do Electrical Engineers Rely on Secondary Current Injection Testers?
Đọc thêmIn the field of electrical engineering, ensuring the reliability and accuracy of protection relays is critical for power system safety. Relays act as the first line of defense in detecting faults and preventing damage to equipment. To maintain their effectiveness, testing is essential—and this is where the Secondary Current Injection Tester becomes indispensable. From power […]
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What Is a Sweep Frequency Response Analyzer and Why Is It Used in Transformer Testing?
Đọc thêmTransformer reliability is a critical part of power grid stability, and diagnosing internal faults before failure occurs is essential. One advanced diagnostic tool that has gained widespread use in recent years is the Sweep Frequency Response Analyzer. This device is part of a broader class of transformer test equipment that allows engineers to detect winding […]
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Tại sao cần thực hiện kiểm tra điện trở cuộn dây một chiều (DC) trên máy biến áp và động cơ?
Đọc thêmEnsuring the health and efficiency of electrical equipment begins with precision diagnostics. Among the most critical tests for transformers and motors is the DC winding resistance test—a fundamental tool used to detect hidden faults, validate design consistency, and extend equipment lifespan. While it’s a relatively straightforward procedure, its value in identifying issues early cannot be […]