MiCOM P5 Series Intelligent Relay Protection Device P5 Series New Product: P5T30

Create Date: 2024-8-30 12:03:23|Source: Schneider/Schneider

MiCOM P5 Series Intelligent Relay Protection Device P5 Series New Products: P5T30 Schneider Electric Powerlogic P5 Series Transformer Differential Protection New Product P5T30 improves the gap in the differential protection of motor generators in the P5 series, making the P5 series more widely applicable.

In terms of appearance, mechanical characteristics, number of I/O, communication capability, and control functions, the P5T30 is the same as the P5F30. Different from P5F30, P5T30 supports 8 groups of CT, 1 group of VT, and has some more transformer protection functions: transformer differential protection, non-electric power protection, and over-excitation protection. Its differential action time is less than 30ms. P5T30 is suitable for medium size double winding transformers (35kv/10kv, 110kv/35kv).
Transformer Differential Protection:
Scenario: The transformer will have a serious impact on the power system due to short-circuit fault or abnormal current damage, and differential protection can be effectively prevented as the main protection.
Overexcitation Protection:
Scenario: The transformer will be overexcited due to the increase of voltage or frequency decrease, the core of the belt will be saturated, the excitation current will increase sharply, the excitation current waveform will be distorted, and the higher harmonics will be generated, which will increase the internal loss and increase the temperature of the core, and in severe cases, cause the core to deform and damage the dielectric insulation.
The advantage of the P5T30 is that it has the excellent basic configuration of the P5 and the powerful transformer protection function, which is a cost-effective transformer differential protection device.

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