Power module PFSK160A

¥32,140.00

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:PFSK160A

Category: SKU: PFSK160A Tag:
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Description

 Power module PFSK160A

 Power module PFSK160A

 

Distance protection due to its basic characteristics, is the most used protection principle on series compensated and adjacent lines worldwide. It has at the same time caused a lot of challenges to protection society, especially when it comes to directional measurement and transient overreach.

Distance IED in fact does not measure impedance or quotient between line current and voltage. Quantity 1= Operating quantity – Restraing quantity Quantity 2= Polarizing quantity. Typically Operating quantity is the replica impedance drop. Restraining quantity is the system voltage Polarizing quantity shapes the characteristics in different way and is not discussed here.

Distance IEDs comprise in their replica impedance only the replicas of line inductance and resistance, but they do not comprise any replica of series capacitor on the protected line and its protection circuits (spark gap and or MOV). This way they form wrong picture of the protected line and all “solutions” related to distance protection of series compensated and adjacent lines are concentrated on finding some parallel ways, which may help eliminating the basic reason for wrong measurement.

The most known of them are decrease of the reach due to presence of series capacitor, which apparently decreases the line reactance, and introduction of permanent memory voltage in directional measurement. Series compensated and adjacent lines are often the more important links in a transmission networks and delayed fault clearance is undesirable.

This makes it necessary to install distance protection in combination with telecommunication. The most common is distance protection in Permissive Overreaching Transfer Trip mode (POTT)

 

 

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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