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Tel：0756-2251627 Fax：0756-8595799 Email：hero@zh-hero.com Code：519000
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HDPT-840C2(C3) microcomputer station transformer protection and monitoring device |
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HDPT-840 microcomputer station transformer protector applies to the protection and monitoring of station (shop) transformers of power plants, industrial and mining enterprises.
1.Instantaneous over-current protection 2.Over-current protection 3.Unbalanced current protection 4.High-voltage side zero sequence over-current protection 5.Low-voltage side inverse (fixed) definite time delay zero sequence over-current protection 6.Overload protection 7.3-phase fusing judgment 8.Body protection 9.Fault oscillograph capture 10.4~20mA output 11.Electric anti-pump circuit 12.High-speed bus protection Ordering instructions Provide the following upon ordering: 1. Name, model and quantity of the device. Please specify any special requirement differs from our standard product. 2. Voltage class. The operating power supply for any device is intended for both AC and DC purposes, with 110V and 220V inputs; the 220V version will be provided unless otherwise specified. 3. Communication port: The device standard communication configure is a single 485. If needs dual RS485 network which shall be specified. 4. Ratings of key parameters For a protector, provide the nominal rated current (1Aor5A) For a device with the zero sequence current protection function in a low-current ground system, provide the rated zero sequence current (0.2Aor0.02A) 5. Term and place of delivery, means of transport 6. Other terms shall be negotiated. |
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