4500kVA Rectifier Transformer for Industrial Carbon 20kv
4500kVA Rectifier Transformer for Industrial Carbon 20kv image
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Basic Info.
Product Description
Introduction:
The product is widely applied to the system of needing to supply rectifying power such as electrolytic electrochemical, transmission,traction,
electrostatic dust removal, dc transmission, etc. The rectiformer is use to rectify device power.Most of the dc power used in industry is gotten
from ac power grid through rectifying device which is composed of the rectiformer and rectifier.It is widely applied to electrochemical
electrolysis,traction, transmission, dc power, and general industrial rectifying power,etc.Designing and manufacturing secondary winding
whose phase difference is 30°,15° and 7.5° provide a variety of forms of structuress products whose phase is 6, 12, 24 and 48 to rectify
according to various of the needs of users.
Brief Description:
The products in this section are oil-immersed special transformer, used in three phase,50Hz,110kV and below 110kV power system, are
main power equipment in metallurgical industry,chemical industry, which transform power system voltage into multi-phase AC voltage that
rectifier need and change to DC power through rectifier for electrochemical, DECM, electroplate, excitation, traction,etc. the below mentioned
equipment are mainly used in the field of Metal electrolytic (such as aluminum, manganese, copper,zinc,etc), chlor-alkali and graphitization,
etc.
Technical datas:
| Item | Description | Unit | Guaranteed value |
| 1 | Rated capacity | KVA | 4500 |
| 2 | Rated voltage | KV | 20 |
| 3 | Primary | KV | 20 |
| 3.1 | Secondary DCV | 100-54.5-35 | |
| ACV | 148. 1-87.7-51 8(Line voltage) | ||
| 4 | Impedance voltage | % | 6%-8% |
| 5 | No load loss(when secondary voltage is DC 100V) | KW | 10.8 |
| 6 | No load current(when secondary voltage is DC100V) | % | 0.9 |
| 7 | Load loss(when secondany voltage is DC100V) | KW | 41 |
| (when secondary voltage is DC54.5V) | KW | 110 | |
| 8 | Rectifying mode | K | Double reverse star, cophase inverse |
| 9 | Vector group | y-y0.y6 | |
| 10 | Number of pulse | 6 | |
| 11 | Number of voltage regulating taps | 21 | |
| 12 | Tap changer | ||
| 12.1 | On-load or off circuit type | On load | |
| 13 | Cooling type | OFAF | |
| 14 | Outlet way | LV Line out from wall of tank | |
| 15 | Temperature rise | k | Environment temperature: 50C |
| 15.1 | Top oil | 40 | |
| 15.2 | |Winding | 45 | |
| 16 | Outine measurement | L’W”H | 2040*1650*2110 |
| 17 | Total weight | t | 25 |
| 18 | Transportation weight | t | 20 |
Model and its meaning
ZH————(ZB means general industry),(ZH means Electrochemical electrolysis ),(ZD means electroplate),(ZT means frequency control of
motor speed),
S————–(S means three-phase),(D means single-phase)
F————–(F means wind cooling),(S means water cooling),no word means natural cooling
P————–(P means Oil forced circulation), no word means oil natural cooling
T————–(Z means with On-load tapping changer),(T means with regulating voltage ), no word means no tap changer or off-circuit tap changer
K————–K means in the tank built-in interphase reactor, if without K means without built-in interphase reactor
B————–B means in the tank built-in saturable reactor, if without B means without built-in saturable reactor
630000——(KVA)means rated capacity, normally show the primary capacity according to actual capacity.
/110 ———-means rated voltage at primary side
Iron core: adopts High quality cold rolled oriented silicon steel sheet, All – diagonal multi – step ladder joint,tied up without hole, clipped the
Stainless steel drawplate with glass tape tightly.
Coil: winded with non – oxygen copper rod squeezed electromagnetic wire wrapped with high quality paper, insulate the terminal by using
company patent parts, multilayer brush stack end ring, to improve transformer short circuit withstand capability. Adopts epoxy plates pressing
device and increases the quantity of press button and stud to improve the mechanical strength of the coil.
Oil tank: corrugated tank, no lifting core structure, the mechanical strength is high and appearance is beautiful. We have open top type,bell
type and semi-bell type,etc. the oil tank has foundation which conforms to national rail distance standard and provide trolley for installation
according to any Rectifier transformer is the most widely used power supply. It is mainly used in electrochemistry,metallurgical electrolysis,
DC drive,medium-frequency power supply and electric heating crystallization of silicon carbide and other occasions.
Traction,drag system rectifier transformer
The transformer is designed and manufactured according to the characteristics of DC motor working method, is the special transformer
which has certain requirements on the reliability.
Features:
1.Low loss,Low noise
2.Energy saving products
3. High efficiency
4.Operation Stable
5.Easy to operate
customer’s civil working requirements. The low voltage outlet busbar adopts company patent big current Groove type outlet terminal to avoid leakage.
Safety protection device: according to relevant state and industrial standard, transformer can be equipped with oil conservator, gas relay,
pressure relief valve, thermometer, oil sampling valve and various gas vent and oil filling valves.
Pictures of our workshop:
Main executive standards:
GB/T 18494.1-2001———— Industrial converter transformer
JB/T 8636-1997——————Power converter transformer
JB/DQ2113-1984—————-Rectifying transformer for electrochemistry
GB1094-1996——————–Power transformer
GB10230-1988——————On-load tap changer
GB/T311.1-1997—————–Insulation coordination of HV electric transmission and transformation equipment
GB/T56011-1992—————-Quality class of oil-immersed power transformer
GB/T6451-1999—————–Technical parameters and requirements of Three-phase oil-immersed power transformer
Please provide and confirm the following parameters when placing order:
- Primary voltage
- DC voltage(Udn)/ current(Udn)needed when rectifying.
- Rectifying method and phase number,
- Voltage regulating method
- Cooling method and power
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