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ZBSCB Rectifier Transformer

CEEG produces rectification equipment that converts AC power from the grid into industrial-grade DC power, widely used in industrial production, transportation, and electrochemistry. In recent years, with the explosive growth of the hydrogen energy industry, CEEG dry type rectifier transformers have seen increasingly extensive application in water electrolysis for hydrogen production.
Availability:
Quantity:

Product Basic Parameters (24 pulse):

Rated Capacity: 200kVA-2500kVA

Tapping Range: 2*2.5%

Vector Group: Dyn11, Yyn0, Dd0

Short Circuit Impedance:4.0/6.0

Winding Type: Multi-winding

Phase: Three-Phase



Product Features:

  • Safe and Reliable: The rectiformer is cast with non-toxic, flame-retardant epoxy resin, ensuring high mechanical strength, excellent fire resistance, and environmental friendliness.


  • Easy Installation: The transformer is delivered as a complete set, ready for direct installation and efficient operation.


  • High Overload Capacity: With a Class H insulation rating, it can withstand temperatures up to 180°C and 200% maximum overload capacity.


  • Low Noise: The noise level is reduced by 3-5 decibels below the national standard.


  • Cost-Effective: It can be installed alongside power equipment such as rectifiers, eliminating the need for a separate power distribution room, thereby saving space and reducing initial investment.


  • Wide Range of Products: Our company offers a variety of specialized transformers for different fields, including rectifier transformers, electric furnace transformers, frequency conversion transformers, and 24-pulse or 36-pulse selections.


  • Customized Solutions: We provide flexible designs and quick responses to meet specific customer requirements.


  • Authoritative Certification: Our products have received certification from the National Quality Supervision and Testing Center for Electric Equipment.



Technique Advantage:

1.    Theoretical Analysis and Simulated Testing Ensures Insulation Reliability

From initial 2D electric field simulations and 3D electric field measurements to impact characteristic measurements, we conduct theoretical analysis and simulated tests on the main insulation, longitudinal insulation, end insulation, lead insulation, and the ability of the coil to withstand lightning impulse voltage throughout the transformer’s lifecycle.


2.    Calculating and Reducing Stray Losses from Leakage Magnetic Fields

We calculate and measure the transformer's leakage magnetic fields, study the shielding structures for these fields, and analyze the transformer’s dynamic and thermal stability. This research helps enhance the transformer’s dynamic and thermal stability.


3.    Precise Analysis of Coil Temperature Fields

We collaborate with renowned domestic universities to develop a program to calculate coil temperature fields. By analyzing the distribution of coil losses (including resistive losses, eddy current losses in different directions, and circulating current losses between parallel conductors) and the cooling conditions of the velocity field, we accurately determine the coils' temperature distribution and hotspot temperature rise. This enables us to take measures to effectively control the hotspot temperature rise, which impacts the transformer’s lifespan.


4.    Reduced Partial Discharge Charge Levels

Numerical analysis of the electric field intensity in various transformer parts is conducted during the design phase. We also strictly control manufacturing quality, processing operations, and technical rationality to manage and reduce partial discharge levels effectively.



Product Parameter

ZBSCB10   24-Pulse Rectifier Dry-Type Transformer

Capacity (KVA)

Rated Voltage (KV)

Tapping Range

Vector Group

Short Circuit Impedance

Efficiency

Weight(kg)

Gauge(mm)

Net Side

Valve Side

200

10

6.3

0.4

0.66

0.69

2*2.5%

Dyn11

Yyn0

Dd0

4.0

≥0.97

1250

550 x 550

250

4.0

≥0.97

1430

550 x 550

315

4.0

≥0.97

1570

660 x 660

400

4.0

≥0.98

1750

660 x 660

500

4.0

≥0.98

1970

820 x 820

630

6.0

≥0.98

2250

820 x 820

800

6.0

≥0.98

2590

820 x 820

1000

6.0

≥0.98

2940

820 x 820

1250

6.0

≥0.98

3420

820 x 820

1600

6.0

≥0.98

3830

820 x 820

2000

6.0

≥0.99

4500

820 x 820

2500

6.0

≥0.99

5350

820 x 820

500

35

36

37

38.5

6.0

≥0.98

2680

820 x 820

630

6.0

≥0.98

3300

820 x 820

800

6.0

≥0.98

3810

820 x 820

1000

6.0

≥0.98

4650

1070 x 1070

1250

6.0

≥0.98

5250

1070 x 1070

1600

6.0

≥0.98

5750

1070 x 1070

2000

6.0

≥0.99

6380

1070 x 1070

2500

6.0

≥0.99

7390

1070 x 1070



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