Tension System PFVL141V

¥57,893.00

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:PFVL141V

Category: SKU: PFVL141V Tag:
Whatsapp：+86 15359293870
WeChat：+86 18106937731
                E-mail：geabbdcs@gmail.com
Contacts：kelly CHEN

Description

Tension System PFVL141V

Tension System PFVL141V

 

The first overreaching zone (zone 2) must detect faults on the whole protected line. Considering the different errors that might influence the measurement in the same way as for zone 1, it is necessary to increase the reach of the overreaching zone to at least 120% of the protected line.

The zone 2 reach can be even higher if the fault infeed from adjacent lines at the remote end is considerably higher than the fault current that comes from behind of the IED towards the fault.

The setting must not exceed 80% of the following impedances:

• The impedance corresponding to the protected line, plus the first zone reach of the shortest adjacent line.

• The impedance corresponding to the protected line, plus the impedance of the maximum number of transformers operating in parallel on the bus at the remote end of the protected line.

Larger overreach than the mentioned 80% can often be acceptable due to fault current infeed from other lines. This requires however analysis by means of fault calculations.

 

 

Shipping:
1. Your item will be shipped to all countries via EMS, unless one country cannot be shipped via EMS. We will choose DHL, UPS, or FedEx. Please leave us your phone number.
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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