New Graphite Material Projectzhs-2× 60ka / 200V 12 Phase Rectifier

New Graphite Material Projectzhs-2× 60ka / 200V 12 Phase Rectifier image

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Basic Info.

Model NO.

ZYSSPTBK 28000 35

Certification

ISO: 9001

Condition

New

Customized

Material

Stainless Steel

Task

12 Phase Rectifier

Mathematical Model

Customized

Iron Core

Silicon Steel Sheet

Transport Package

Nude Package and Wooden Cases

Specification

As per drawing

Trademark

Ville Industry

Origin

China

HS Code

8504231100

Production Capacity

50sets Per Year

Product Description

New graphite material projectZHS-2×60kA / 200V 12 phase rectifier DC Rectiformers in single and parallel New graphite material project 12 phase rectifier cabinet

1, Adaptive conditions and performance indexes of rectifier

1. Application scope and basis

The application scope of this technical scheme is limited to 30000t / year new graphitized material engineering rectifier.Including technical specifications for functional design, structure, performance, installation and test of rectifier unit body and supporting equipment meeting the requirements of the project.

The standards and technical requirements on which the technical scheme is based are based on national GB and international IEC standards and the latest in the industry

New standard JB and user technical specification for DC rectifier (1).

2. Basic design electrical conditions

2.1 rated condition of single unit rectifier:

DC voltage: udn = 40-200v

DC current: IDN = 2×60KA

2.2 overall configuration:

The single unit 120ka consists of one on load voltage regulating rectifier transformer with two diode rectifiers. Each diode rectifier outputs DC current of 60kA and DC voltage of 40-200v. Each diode rectifier is 6-phase rectifier. The two rectifiers are connected in parallel to form equivalent 12 pulse wave and output DC current of 2×60kA, DC voltage 40-200v

Or a single unit 120ka consists of an on load voltage regulating rectifier transformer with a diode rectifier, with an output DC current of 120ka and a DC voltage of 40-200v.

Single unit 12 pulse, two units in parallel to form a 24 pulse rectifier system.

2.3 the rectifier line adopts double inverse star with balance reactor, which is fixed inside.

2.4 electrical conditions for normal use

2.4.1 power supply voltage: 20kV ± 5%

2.4.2 frequency: 50Hz ± 0.5

2.4.3 number of phases: 3

2.4.4 power supply: AC380 / 220V ± 5%

2.4.5 control protection: AC220V ± 5% or dc220v

Frequency: 50Hz ± 0.4

3. Cooling of rectifier:

3.1 cooling method: use deionized high-purity water for cooling.

3.2 layout of cooling water circuit: the main manifold of component cooling water circuit is located at the bottom of rectifier cabinet and adopts pure water cooling mode.

3.3 cooling water circuit materials: the cooling water pipe, nozzle and flange of rectifier cabinet are made of stainless steel or PVC materials, and the water pipe

Selection of high quality anti-aging, corrosion resistant hose.The pressure and temperature measuring points are installed in the middle of the manifold and in the pure

Thermal resistance for centralized monitoring (installed in rectifier cabinet) shall be set at the water outlet pipe.

3.4 pressure of cooling circulating water: the water pressure shall not be less than 0.10MPa and 0.15Mpa in normal operation.

4. Installation method:

The rectifier device is fixed indoors, located on both sides of the rectifier transformer and directly grounded.

5. Application: graphitized products.

6. Natural conditions:

Rectifier room absolute air temperatureat maximum site ambient °C 50

Pollution level: Grade III

Ser.No.	Description	Unit	Design		Seller

Item 1	Auto-Regulation / Rectifier Transformer Combination
1	Supply voltage	V	20,000		20,000
2	Frequency	Hz	50		50
3	Maximum short-circuit power	MVA	866		866
	Auto-Regulation Transformer:
4	Number of transformers	pc.	2	2
5	Throughput rating per unit	MVA		28 (+20%)
6	Vector group	– –		D(+7.5°)/y11 ; D(-7.5°)/y11
7	Short circuit impedance	%		4- 6
8	Tap charger operation	– –	motor operation	motor operation
9	On-load tap charger positions	– –	70 positions	71 Pos. (MR Tap-changer)
10	OLTC tap step	V DC	2.3	2.33 (with saturable reactor )
11	Off circuit tapping switch	– –	3 positions	N.A
	Rectifier Transformer:	(with IPT and Saturated Reactor)
12	Primary voltage	V	adapted to output of step-down transformer		adapted to output of step-down transformer
13	Primary rating per unit at max secondary voltage	MVA			28
14	Secondary rating per unit at max secondary voltage	MVA			396
15	Maximum secondary voltage, at no load	V			330 V (A.C) 200 V(DC)
16	Minimum secondary voltage, at no load	V			69.8 V (AC) 40 V(DC)
17	Short circuit impedance	%			6-7

2. Rectifier transformer for export to chemical industry

3. Phase-shifting rectifier transformer for chlor-alkali industry

4. Phase-shifting rectifier transformer for chlor-alkali industry

5. Phase-shifting rectifier transformer for metallurgical industry

6.110kV class direct-down on-load voltage regulation phase-shifting rectifier transformer

7. 110KV on-load regulating rectifier transformer in chemical industry

8. Strong oil-water cooling rectifier transformer

Technical data sheet:

PRODUCTION FACILITY

REFERENCE PROJECT:

Company Introduction

NingboVille Enterprise Co.,Ltd.is a combination of Transformer R&D center, production, sales and after sales service,possesses of strong technical strength andexcellent manufacturing equipments, as well as modern Office
facilities.
It specially produces large scale power transformer and industrial transformers of high quality and reliability. A large
share of its resources are devoted to research and development of industrial and special transformers and reactors for
any special application,such as the iron and steel and electrometallurgical industries.The company main working is
suppling,engineering,designing,manufacturing, executing, and commissioning for transformer .

Why Choose Us

FIRST-CLASS PROCESSING AND TEST EQUIPMENT

We have more than 500 sets of sophisticated, advance production and test equipments, complete and perfect processing equipments, and
scientific and rational processing technology, which guarantee first-class products, Authorized by the Bureau of Zhejiang Technology
Supervision, Quzhou Fangyuan Inspection Company of Power Transmission and Transformation Equipment, whick is based on our testing
center, undertakes the quality inspection of the industry in our province, this is a solid guarantee for our excellent product quality.

BEAUTIFUL ENVIRONMENT

We are confident that good products come from good personnel, and good environment makes qualified personnel. The company is

committed to creating a garden-like working environment for employees. We have green belts, modern standardized workshops and well-

planned parks where we sow our youth; we work hard, so we are harvesting the future.

With the first-class quality products, reasonable price and excellent after-sale services.product not only best-selling all over the country,but

also in the international market have higher credit, such as Thailand, Vietnam, Myanmar, Indonesia,alaysia,Philippines, Ethiopia and Nigeria,

Saxonstan, Uzbekistan, Korea, Turkey, Sudan, Iran etc. especially in the steel enterprises, VILLE production of transformers already have

high reputation.

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