Tension measurement system PFVL141R

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:PFVL141R

Category: SKU: 3BSE024994R800-1 Tag:
Whatsapp:+86 13313705507
WeChat:+86 13313705507
E-mail:geabbdcs@gmail.com
Contacts:KEN HE

Description

Tension measurement system PFVL141R

Tension measurement system PFVL141R

 

The settings for Distance measuring zones, quadrilateral characteristic (ZMFCPDIS) are done in primary values. The instrument transformer ratio that has been set for the analog input card is used to automatically convert the measured secondary input signals to primary values used in ZMFCPDIS.

The following basics must be considered, depending on application, when doing the setting calculations:

• Errors introduced by current and voltage instrument transformers, particularly under transient conditions.

• Inaccuracies in the line zero-sequence impedance data, and their effect on the calculated value of the earth-return compensation factor.

• The effect of infeed between the IED and the fault location, including the influence of different Z0 /Z1 ratios of the various sources.

• The phase impedance of non transposed lines is not identical for all fault loops. The difference between the impedances for different phase-to-earth loops can be as large as 5-10% of the total line impedance.

• The effect of a load transfer between the IEDs of the protected fault resistance is considerable, the effect must be recognized.

• Zero-sequence mutual coupling from parallel lines.

 

 

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.
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3. Please do not reply with negative feedback before contacting us!

 

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