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Ningbo Tianan Group Co., Ltd.

Reactor, Earthing Reactor, Grounding Reactor manufacturer / supplier in China, offering 34.5kV Oil immersed Earthin Neutral Grounding g Reactor, Zw32-12 Outdoor Vacuum Circuit Breaker, XRNT-12 Type Tube Transformer Fuse and so on.

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Supplier Homepage Product Power Transformer 34.5kV Oil immersed Earthin Neutral Grounding g Reactor

34.5kV Oil immersed Earthin Neutral Grounding g Reactor

Purchase Qty.:
(Pieces)
1-9 10+
FOB Unit Price: US $10,000 US $8,000
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $10,000
10+ US $8,000
Get Latest Price
Port: Ningbo, China
Production Capacity: 5000 Sets/ Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DKS
  • Phase: Three
  • Cooling Method: Oil-immersed Type Transformer
  • Certification: ISO9001-2000
  • Frequency Characteristics: Power Frequency
  • Brand: Tianan
  • Environment: Outdoor
  • Insulation Oil: High Quality Grade Mineral Oil
  • Test Equipment: IEC Standard
  • Frequency: 50Hz
  • Transport Package: Wooden Pallet
  • Origin: China
  • Application: Power
  • Core: Core-type Transformer
  • Winding Type: one winding
  • Usage: Earthing
  • Shape of Core: Core
  • Altitude: up to 1, 000m Above Sea Level
  • Special Conditions: Depends on The Customer
  • Tap Changer: Regulate The Output Voltage
  • Typical Products: DKS
  • Trademark: TIANAN
  • Specification: IEC
  • HS Code: 850423110
Product Description
 
TECHNICAL DATA SCHEDULE
34.5 kV EARTHING REACTOR
 
ITEMDESCRIPTIONUNITSREQUIREDGUARANTEED
1.0Manufacturer-- 
1.1Type-Three-phase with 1 windingYES
1.2Class - 
1.3Quantity Nos 2
2.0Rated data and characteristics   
2.1Rated voltage of winding:

 

kV

 

34.5 kV

 

34.5 kV

 
2.2Rated frequencyHz5050
2.3Connection of the 3 phase windings (group of vectors IEC)
-

ZN0
ZN0
2.4Rated continuous neutral currentA2020
2.5Cooling-ONANONAN
2.6Excitation current at rated voltageA-0.4
2.7Zero-sequence impedance  -Impedanceohms2020
2.8Tolerance to be applied to the impedance, in terms of % the guaranteed value
%

+7.5
 
+7.5
2.9Rated capacity to withstand external short circuit
- short-circuit duration
- short-circuit current withstand the   indicated period


Sec.
A RMS


10
3600


10
3600
2.10Guaranteed losses   
2.10.1No-load losses at rated voltage and frequencykW-2.6
2.10.2No-load losses capitalized valueUS $/kW30003000
2.10.3Tolerance to be applied to no-load losses
(in % of the guaranteed value)
%+10+10
2.10.4On-load losses at rated voltage and frequency and copper temperature rise at 75°:
- HV winding at maximum neutral current
- LV winding at rated power



kW
kW



-
-



40
0.9
2.10.5On-load losses  capitalized valueUS $/kW10801080
2.10.6Tolerance to be applied to no-load losses
(in % of the guaranteed value)
%+10+10
2.11Highest voltage for equipment:
- HV winding
 
kV
 
36
 
36
2.12
2.12.1
Rated insulation level:
Short time power frequency withstand:
- line terminal
- neutral point
 
 
kV RMS
kV RMS
 
 
70
38
 
 
70
38
2.12.2Basic impulse level:
- line terminal
- neutral point
 
kV (peak)
kV (peak)
 
170
95
 
170
95
2.13Temperature rise limits at continuous neutral current and rated voltage:
- top oil al ambient temperature
- average copper at ambient temperature
- hot spot windings



K
K
K



50
55
68



50
55
68
2.14Permissible overload in emergency cases:
- permanent permissible overload based on highest winding temperature which exceeds by 5oC the guaranteed limit
 
A
 
-
130%
 - permanent permissible over voltage based on the maximum top oil temperature which exceeds by 5oC the guaranteed limit at rated power (in % of the rated voltage)% 110%
2.15Oil:


- manufacturer
- type
- data sheet attached
 
 
-
-
-
NYNAS NYTRO 10XN (Inhibited)
-
-
-
 
(IEC 60296)
Karamay
DB-25
2.16Bushings-- 
2.16.1HV bushings:
- class
- manufacturer
- rated current
- short circuit withstand (3 seconds)
- basic insulation level
- power frequency withstand for 1 minute
- connectors for
- creepage distance
 
kV
-
A
kA RMS
kV (peak)
kV RMS
-
mm/kV
 
36
-
-
-
170
70
-
31
 
36
Pingxiang Porcelain Co.
400A
2.5 kA
170
70
-
31
2.16.2Neutral bushings:
- class
- manufacturer
- rated current
- short circuit withstand (3 seconds)
- basic insulation level
- power frequency withstand for 1 minute
- connectors for
- creepage distance
 
kV
-
A
kA RMS
kV (peak)
kV RMS
-
mm/kV
 
24

-
-
125
50
-
31
 
24
Pingxiang Porcelain Co.
400A
2.5 kA
125
50
-
31
2.17
2.17.1
Design data:
Maximum flux density in the columns at:
- rated voltage
- 105% of the rated voltage
 
 
tesla
tesla
 
 
-
-
 
 
1.63
1.71
2.17.2Maximum flux density in the yokes at:
- rated voltage
- 105% of the rated voltage
 
tesla
tesla
 
-
-
 
1.63
1.71
2.17.3Maximum current density at ONAN rated power and rated voltage tap:
A/mm2

 


-
-


 
2.17.4Winding resistance
ohms

--

1.191
2.17.5Primary exciting current, LV side:
- at 0.01 second
- at 0.1 second
 
kA
kA
 
-
-
 
15.6
4.7
2.17.6Core type (core or shell)--core
2.17.7Winding conductor-CopperCopper
3.0Weights and dimensions   
3.1Total weight of unit equipped for start-upkg-7000
     
3.2Weight:
- oil
- core and coil assembling
- tank and accessories
- net copper
- net core steel
 
kg
kg
kg
kg
kg
 
-
-
-
-
-
 
1750
4160
1090
1500
2280
3.3Maximum shipping weight (heaviest item)kg-7500
3.4Height from foundation to:
- highest point of HV bushing
- highest point of tank
- highest point of conservator tank
- highest point of lifting hook to remove
  core and coil assembly
 
mm
mm
mm

mm
 

-
-

-
 
2080
1560
2460

4100
3.5Reactor dimensions:
- length
- width
 
mm
mm
 
-
-
 
 
3.6Layout no enclosed -To be enclosed
with bid
 
3.7Maximum shipping dimensions of tank:
- outside height
- outside width
- outside length
 
mm
mm
mm
 
-
-
-
 
2500
2080
2480
3.8Transportation drawing no enclosed-- 
4.0Current transformer incorporated into the reactor   
4.1
4.1.1
4.1.2
4.1.3
4.1.4
CT in HV neutral bushings:
Number of cores per bushing
Primary rated current
Secondary rated current
Accuracy class - protection
 
-
A
A
-
 
2
1200
1
To be coordinated 5P20, 20VA
 
2
1200
1
To be coordinated 5P20, 20VA
4.1.5Ratio-1200/ 111200/ 1
4.1.6Short circuit withstand (3 seconds)A-63
4.1.7Continuous secondary current thermal limitA-1
4.2CT in HV phase bushing-number of cores and class to be coordinatedNON
5.0Layout   
5.1HV winding bushings-(3) Long. Axis(3) Long. Axis
5.2Terminal block connection drawing-As per enclosed drawingsAs per enclosed drawings
6.0Standards   
6.1Manufacturing-IEC 60044
IEC 60137
IEC 60296
IEC 60815
IEC 60947
IEC 60044
IEC 60137
IEC 60296
IEC 60815
IEC 60947
6.2Quality assurance-ISO 9001 or Latest IEC StandardISO 9001 or Latest IEC Standard
7.0Installation-Outdoor in substation switchyardOutdoor in substation switchyard
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