Magnetically Controlled Arc-suppression Coil

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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 speed：The 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：6KV～66KV

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

Magnetically Controlled Arc-suppression Coil

6. Main performance parameter & dimension

Model Specification	System Voltage kV	Rated Capacity kVA	Rated Current A	Overall dimension						Remarks
Model Specification	System Voltage kV	Rated Capacity kVA	Rated Current A	L	B	H	B1	C	D	Remarks
XHDT-315/10	10	315	3～52	1460	1350	1560	1710	550	1160	Silicon controlled box, HV bushing, and conservator are dismountable parts.
XHDT-400/10	10	400	3～66	1510	1400	1600	1760	550	1160
XHDT-500/10	10	500	4～82	1550	1420	1650	1800	550	1160
XHDT-630/10	10	630	5～104	1600	1450	1700	1850	550	1160
XHDT-800/10	10	800	7～132	1880	1550	1850	1950	660	1260
XHDT-1000/10	10	1000	8～165	1950	1600	1900	2000	660	1260
XHDT-550/35	35	550	1～25	1900	1700	2000	2000	550	1360
XHDT-1100/35	35	1100	2～50	2080	1750	2300	2060	660	1410
XHDT-2200/35	35	2200	5～100	2200	1800	2500	2200	660	1460
XHDT-950/66	66	950	1～25	2250	1700	3200	2280	660	1360
XHDT-1900/66	66	1900	2～50	2450	1800	3520	2350	720	1460
XHDT-3800/66	66	3800	5～100	2600	1900	3710	2480	820	1560

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

Magnetically Controlled Arc-suppression Coil

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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