Excitation unit outlet device 3BSE004214R1

¥36,578.00

External connections:
• Excitation current to the load cells
• 2 or 4 analog inputs for load cell signals
• 4 analog outputs, voltage or current
• 8 digital inputs for control signals
• 8 digital outputs
• +24 V supply for external units, max 0.5 A
• Ethernet connection
• Service and multiple control units
• 2 serial interfaces of type RS-232 for
external displays, control, etc.

Model:3BSE004214R1

Category: SKU: 3BSE004214R1 Tag:
Whatsapp:+86 15359293870
WeChat:+86 18106937731
                E-mail:geabbdcs@gmail.com
Contacts:kelly CHEN

Description

Excitation unit outlet device 3BSE004214R1

Excitation unit outlet device 3BSE004214R1

 

Negative sequence polarization has the following advantages compared to zero sequence polarization: • on solidly earthed systems U2 may be larger than U0 .

If the bus behind the IED location is a strong zero-sequence source, the negative sequence voltage available at the IED location is higher than the zero-sequence voltage.

• negative sequence polarization is not affected by zero sequence mutual coupling (zero sequence polarized directional elements may misoperate in parallel lines with high zero-sequence mutual coupling and isolated zero sequence sources).

• negative sequence polarization is less affected by the effects of VT neutral shift (possible caused by unearthed or multiple earths on the supplying VT neutral)

• no open-delta winding is needed in VTs as only 2 VTs are required (U2 = (UL12 – a · UL23)/3) The zero sequence current polarized earth directional unit compares zero sequence current I0 of the line with some reference zero-sequence current, for example the current in the neutral of a power transformer.

The relay characteristic AngleRCA is fixed and equals 0 degrees. Care must be taken to ensure that neutral current direction remains unchanged during all network configurations and faults, and therefore all transformer configurations/constructions are not suitable for polarization.

In dual polarization, zero sequence voltage polarization and zero sequence current polarization elements function in a “one-out-of-two mode”

 

 

Shipping:
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2. We will ship the product to you on the same day or within 1-2 working days after receiving your payment. The shipping time depends on the country/region where you reside, the customs and habits of your country/region, and especially during peak hours.
3. Assuming (assuming) that the item requires payment of tariffs from your country, the buyer is obligated. We are not responsible for any taxes or customs fees in your country/region.

 

Return Policy:
1. Please contact us before returning the item.
2. The buyer should inform the seller of all returned items within 7 days after receiving the package. We reserve the right to reject any request to inform the seller for more than 7 days.
3. Returned products must have all original packaging and be in good condition.

 

Response policy:
If you are satisfied with the purchase, please leave us an active response.
2. If you have any questions about the outcome of the transaction or product, please contact us first and we will do our best to satisfy you!
3. Please do not reply with negative feedback before contacting us!

 

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