ABB IMAS011 Module In Stock

Brand New ABB IMAS011 Module

Description

The minimum operating voltage has to be calculated (all loops) and the IED function is sethigher than the highest achieved value (setting TripPickup). As the loop resistance is thevalue to the connection point from each CT, it is advisable to do all the CT coresummations in the switchgear to have shortest possible loops. This will give lower settingvalues and also a better balanced scheme. The connection in to the control room can thenbe from the most central bay.For an internal fault, all involved CTs will try to feed current through the measuringbranch. Depending on the size of current transformer, relatively high voltages will bedeveloped across the series resistor. Note that very high peak voltages can appear. Toprevent the risk of flashover in the circuit, a voltage limiter must be included. The voltagelimiter is a voltage dependent resistor (Metrosil).The external unit with stabilizing resistor has a value of either 6800 ohms or 1800 ohms(depending on ordered alternative) with a sliding link to allow adjustment to the requiredvalue. Select a suitable value of the resistor based on the VR voltage calculated. A higherresistance value will give a higher sensitivity and a lower value a lower sensitivity of therelay. 

FAQ

1.What about the warranty?
All products have a 1 year warranty.
2. What is the delivery time?
Usually 1-3 Working Days
3. Other suppliers have better prices than you?
"It is our belief to create the greatest benefit for our customers. If you have a better price, please let us know. We will do our best to meet your price and support you.
4.How about the shipment?
We can arrange shipments at competitive prices such as DHL, FedEx, UPS, TNT,  etc. 
5.What are the payment terms?
Generally, T/T, Credit Card and Western Union are also accepted.

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Jak PLC for many years, is a professional engaged in large-scale system (distributed control system, programmable controller, redundant fault-tolerant control systems, robot control system, large servo control system is the central feeding system plastic molding auxiliary equipment and automation of whole plant planning) imported automation system such as spare parts, modules, sales and system integration of high-tech enterprises. The company is equipped with professional technicians to provide customers with better service.