Magnetically Controlled Arc-suppression Coil

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Product Description:


1.   Application

Magnetically controlledarc-suppression coil of XHDT-series (MCASC) as a new generation of arc-suppressioncoils (ASC) is developed and manufactured newly by the Dandong Xintai ElectricCo., LTD (Xintai), is mainly used in neutral un-earthed power systems of 66kVand under, compensates capacitive current produced during single phase earthingshort-circuit in the power system by using inductive current of arc-suppressioncoil, rapidly extinguishes the interrupted earth arc without restriking inorder to prevent the expansion of the scope of the accident.

MCASC is different fromordinary turn-regulation type ASC, because it achievesfast response and continuous adjustable of ASC inductance by the combination ofthe modern electronic control technology and two-stage magnetic saturationtechnology and by using the operating mode of auto-type DC excitation. By usingdynamic full compensation method, it fundamentally solves inherent conflictbetween the ideal goal of full compensation and the system virtual groundcaused by series resonance. The product has passed the Authentication of State-levelNew Product Production and the Liaoning Provincial Sci-Tech Achievement Appraisal,and is awarded the utility model patent issued by the State IntellectualProperty Office (SIPO).


2.    Features

l  Capacity can be adjusted continuously with the adjustable rangeof 3%~100%.

l  Fast response speedThe setting time from Min. capacity to Max. capacity is less than 20ms.

l  Small harmonic wave: The capacity of harmonic wave is lessthan 3% to meet the demand of harmonic wave for power system.

l  Low loss: The loss is generally 0.5~0.8% of the total capacity.


3.    Voltage class:6KV66KV


4.    Operating environment

l  Under normal use and service:

Installation site: indoor

Altitude: ≤1000m

Ambient temperature: -25+40

l  Under special condition: it can be designed and manufactured inaccordance with the requirements of customers.


5.    Model coding






6.    Main performance parameter & dimension

Model Specification

System Voltage

kV

Rated Capacity

kVA

Rated Current

A

Overall dimension

Remarks

L

B

H

B1

C

D

XHDT-315/10

10

315

352

1460

1350

1560

1710

550

1160

Silicon controlled box, HV bushing, and conservator are  dismountable parts.

XHDT-400/10

10

400

366

1510

1400

1600

1760

550

1160

XHDT-500/10

10

500

482

1550

1420

1650

1800

550

1160

XHDT-630/10

10

630

5104

1600

1450

1700

1850

550

1160

XHDT-800/10

10

800

7132

1880

1550

1850

1950

660

1260

XHDT-1000/10

10

1000

8165

1950

1600

1900

2000

660

1260

XHDT-550/35

35

550

125

1900

1700

2000

2000

550

1360

XHDT-1100/35

35

1100

250

2080

1750

2300

2060

660

1410

XHDT-2200/35

35

2200

5100

2200

1800

2500

2200

660

1460

XHDT-950/66

66

950

125

2250

1700

3200

2280

660

1360

XHDT-1900/66

66

1900

250

2450

1800

3520

2350

720

1460

XHDT-3800/66

66

3800

5100

2600

1900

3710

2480

820

1560

Note: All above datum are only for your reference.Xintai holds the right to update without prior notice.





7.    Ordering data

Toplace an order please provides the followinginformation.

1.    Rated capacity

2.    Rated voltage

3.    Rated current

4.    Operationcondition

5.    Otherperformance parameter shall be specified in the Contract.

Xintai is able to design products with different special capacities andvoltage classes to meet customer's requirements.


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Q:Is the electrical resistance of the earth really zero (or negligible)?
A house is usually grounded through its piping systems that have generous contact with the damp earth, resulting in negligible resistance. An AC circuit alternately pushes electrons into the earth and draws them back out (60 times a second) for each separate phase similar to the power generation station. Electrons need not travel from power station to house and back full cycle. A separate ground wire (cable) would be required if the earth's resistance resulted in appreciable power losses.
Q:Are Electrical Engineering and Electronics Engineering two separate majors?
Many institutions do not make a distinction. But 'electrical' engineering deals with components that work at the line (mains) frequency, generally large in scale, power generators, high power transformers, very high voltages etc. 'Electronics' engineering deals with components over a large bandwidth, DC and up, generally small in scale, relatively lower power, lower voltages and small size. You probably want 'Electrical Engineering Computer Science'.
Q:Electrical outlet question? American plug?
If the holes in he receptacle are the same size, there are two possible reasons. 1. This is a very old receptacle, which I doubt. 2. This is a receptacle polarized for another voltage. The different configurations of the receptacles and plugs are by design, to keep people from connecting electrical devices to the wrong voltage supply. There is equipment with plugs having the same receptacle blade width, but this equipment is double insulated and code does not require the plugs for this equipment to be polarized. TexMav.
Q:Software Engineering or Electrical Engineering?
i don't think of there is an uncomplicated answer to this question, partly by way of fact distinctive educational backgrounds propose that some utility honestly everyone seems to be plenty greater conscious of the underlying hardware than others. in lots of cases nonetheless, utility engineers are not designing plenty besides the utility. To take the case of the automobile, there is a few human beings whose historic past is in mechanical engineering and comparable fields that are finding out what they choose some area of the automobile to do. Then they tell the utility human beings to jot down a software that performs that function. maximum utility honestly everyone seems to be in lots of cases only imposing somebody else's layout thoughts. At a distinctive point, you have some components that are designed via electric powered human beings which could do only one activity. A chip, say, with a clock function equipped into it. it can't be programmed, so no utility, suited? an undesirable lot of electronics are like this actual. The difficult area is that the utility human beings write utility that designs chips for human beings in line with what applications they choose the chip to have which muddies the waters okay. So rather there isn't any outstanding line between utility and hardware. to circulate decrease back to the automobile occasion, the pc interior maximum automobile electronics can't be reprogrammed, however the main chip could have some settings tweaked. put in an o.e.m chip, and greater settings can get replaced. Does that propose that is utility, or not?
Q:What causes electrical blackouts and brownouts?
Power surges are a major cause and then old faulty equipment.
Q:What are some imports and exports of Slovakia?
Population below poverty line: 21 % (2002)
Q:Can you give me an insight of : Sourcing Heavy Electrical Equipments in India ?
Suggest that you contact the Indian embassy, trade department, they will probably give you a list of suppliers.
Q:what eletronic items are allwed on an airplane?
All those are allowed on the plane. You cannot use anything that has wireless turned on - so cell phone games can be played if the wireless part of the cell phone can be turned off. Computer is OK if you can turn off wireless internet (won't work up there anyway). Please bring headphones so that you don't annoy neighbors.
Q:Can anyone else sense when a t.v is on, or other electrical equipment?
I can, too. I just don't know why (I assume it's radio waves). I was in class once (science) during high school and the television behind me was completely black and not making noise, but I could feel it was on. My teacher thought she turned it off with the remote after the morning broadcast, but I could still feel it was on. So when she came over near my side of the room I told her it was still on, so she pushed the off button on the side and it turned off. She asked me how I knew that- if I saw it or heard it. I tried to explain I could FEEL it was on and she looked at me as if I was crazy. So I've always been confused why can some people feel it and some can't? I can feel security tvs at Walmart as well, and pin point their location from the feeling. Anyway, after I tried to explain that to a couple people (friends, family) and everyone gave me weird looks I just decided to keep it to myself.
Q:What testing equipment is is best for an electrical engineer's first workbench?
A 100MHz scope, 30 Mhz modulated RF generator, a couple of power supplies (one of them goes up to 500 volts), a frequency counter, a couple of breadboards (one of them has a built-in power supply), an L/C meter of some kind, various hand tools, soldering and desoldering equipment, a couple of meters (including an old Analog one because there is no true substitute for a real analog meter) as well as a stock of electronic parts like transistors, chips, resistors, capacitors.

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