48MHz and 16MB 3BSE066495R1

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: 3BSE066495R1

Category: SKU: 3BSE066495R1 Tag:
Whatsapp:+86 13313705507
WeChat:+86 13313705507
E-mail:geabbdcs@gmail.com
Contacts:KEN HE

Description

48MHz and 16MB 3BSE066495R1

48MHz and 16MB 3BSE066495R1

 

An example will be given, how sensitive-earth-fault protection for power lines can be achieved by using negative-sequence directional overcurrent protection elements within a CVGAPC function.

This functionality can be achieved by using one CVGAPC function.

The following shall be done to ensure proper operation of the function:

1. Connect three-phase power line currents and three-phase power line voltages to one CVGAPC instance (for example, GF04)

2. Set CurrentInput to NegSeq (please note that CVGAPC function measures I2 current and NOT 3I2 current; this is essential for proper OC pickup level setting)

3. Set VoltageInput to -NegSeq (please note that the negative sequence voltage phasor is intentionally inverted in order to simplify directionality

4. Set base current IBase value equal to the rated primary current of power line CTs

5. Set base voltage UBase value equal to the rated power line phase-to-phase voltage in kV

6. Set RCADir to value +65 degrees (NegSeq current typically lags the inverted NegSeq voltage for this angle during the fault)

7. Set ROADir to value 90 degree

8. Set LowVolt_VM to value 2% (NegSeq voltage level above which the directional element will be enabled)

9. Enable one overcurrent stage (for example, OC1)

10. By parameter CurveType_OC1 select appropriate TOC/IDMT or definite time delayed curve in accordance with your network protection philosophy 11. Set StartCurr_OC1 to value between 3-10% (typical values)

12. Set tDef_OC1 or parameter “k” when TOC/IDMT curves are used to insure proper time coordination with other earth-fault protections installed in the vicinity of this power line

13. Set DirMode_OC1 to Forward

14. Set DirPrinc_OC1 to IcosPhi&U

15. Set ActLowVolt1_VM to Block

 

 

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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