• Excitation Rectifier Dry-Type Transformers
Excitation Rectifier Dry-Type Transformers
discuss personally
Model
DC(B)-315
Basic info
Brand ROCKWILL
Model NO. Excitation Rectifier Dry-Type Transformers
Rated voltage 22kV
Rated frequency 50/60Hz
Rated capacity 2500kVA
Series DC(B)
Product Detail

Product Overview

Model: DC(B)-315~2500.Main application fields: static excitation systems of hydropower plants, thermal power plants, and ultra-large capacity nuclear power plants.

Product superiority

Developed as a high-performance product to meet the demands of power plant static excitation systems. This product series adopts a single-phase structure design, supporting high-voltage isolated phase-segregated bus inlets, and shielding between high-voltage and low-voltage windings, suitable for the static excitation systems of hydropower plants, thermal power plants, and nuclear power plants.

Product-related parameters

  • Voltage Level: 10kV, 13.8kV, 15.75kV, 20kV, 22kV

  • Rated Capacity: 315~2,500kVA

  • Structural features: single-phase structure, high-voltage isolated phase-segregated bus inlets, shielding between high-voltage and low-voltage windings.

 

Know your supplier
ROCKWILL
Rockwill Electric Group Global Manufacturer of High voltage and medium-voltage power equipment and smart grid solutions. Headquartered in Wenzhou, China. Serving 100+ countries with quality, innovation, and trust. What We Offer: • HV-MV switchgear (VCB, SF₆ circuit breakers, RMU, GIS) • Distribution transformers and substations • Smart grid and monitoring systems • Solar, wind, EV charging, and energy storage solutions • EPC turnkey power projects Certified: ISO 9001 / ISO 14001 / ISO 45001
Main Categories
High Voltage Electrical Apparatus
Business Type
Design/Manufacture/Sales
Highest Annual Export (USD)
$150,000,000
Professional Experience
16 years
Workplace
108000m²m²
占位
占位
Related Knowledges
What are the accident scenarios in a substation?
What are the accident scenarios in a substation?
Handling of Minor Action of Transformer Gas RelayImmediately check and record the protective relay action signals, and report to the dispatcher and station manager.Closely monitor the transformer’s voltage, current, temperature, oil level, oil color, sound, and cooler operation, and assign personnel to conduct an external inspection of the transformer.If significant abnormalities are found during the inspection, report to the dispatcher and take the faulty transformer offline. If no obviou
Leon
07/30/2025
Power System Voltage Level Classification
Power System Voltage Level Classification
What Is a Voltage Class?Definition of Voltage Class:Voltage classes (or voltage levels) refer to a set of standardized rated voltages used in power systems and electrical equipment. A rated voltage is the nominal voltage at which equipment is designed to operate under normal conditions; essentially, a voltage class defines the intended working voltage range for a system or device.Analogy to Consumer Appliances:Household appliances (e.g., refrigerators, TVs) operate at a nominal voltage—typ
Vziman
07/30/2025
What is the reason for conducting five impulse tests before commissioning a transformer?
What is the reason for conducting five impulse tests before commissioning a transformer?
Verification of Insulation IntegrityWhen a new or overhauled transformer is energized under open-circuit (no-load) conditions, switching surges—caused by operations such as opening or closing the no-load transformer circuit—can generate overvoltages. These reach 4.0–4.5 times the phase voltage if the neutral point is isolated or earthed through a Petersen coil, and up to 3.0 times the phase voltage when the neutral is solidly grounded. The full-voltage, no-load impact test deli
Rockwell
07/30/2025
Analysis of the Causes of Large - scale Failures of Surge Arresters in 10 kV Distribution Lines
Analysis of the Causes of Large - scale Failures of Surge Arresters in 10 kV Distribution Lines
1. IntroductionDuring power system operation, main equipment faces threats from internal and atmospheric overvoltages. Surge arresters, especially metal oxide arresters (MOAs) with excellent nonlinear volt - ampere characteristics, are key for protection due to their good performance, large current - carrying capacity, and strong pollution resistance. However, long - term exposure to power frequency voltages, along with component quality, manufacturing processes, and external environments, makes
Leon
07/30/2025
Key Points of Online Monitoring Technology for Zinc Oxide Surge Arresters
Key Points of Online Monitoring Technology for Zinc Oxide Surge Arresters
1 Architecture of the Online Monitoring System for Zinc Oxide Surge ArrestersThe online monitoring system for zinc oxide surge arresters comprises three layers: the station control layer, bay layer, and process layer.Station Control Layer: Includes a monitoring center, a Global Positioning System (GPS) clock, and a B - code clock source.Bay Layer: Consists of online monitoring Intelligent Electronic Devices (IEDs).Process Layer: Features monitoring terminals for Potential Transformers (PTs) and
Oliver Watts
07/30/2025
Improvement and Application of the Test Device for Surge Arrester Online Monitor
Improvement and Application of the Test Device for Surge Arrester Online Monitor
1 Significance of Surge Arrester Online Monitors1.1 Enhance Power System Safety, Reduce Lightning DamageDuring lightning strikes, surge arresters play a core role in discharging overvoltage. Online monitors ensure arrester stability, detect potential faults in real - time, and trigger alarms for timely intervention—effectively reducing lightning - induced damage to power equipment and systems, and maintaining stable operation.1.2 Real - Time Status Monitoring, Improve Maintenance Efficienc
Edwiin
07/30/2025
×
Inquiry
Download
IEE-Business is dedicated to serving the personnel in the global power industry.
Join IEE-Business, not only can you discover power equipment and power knowledge, but also canhnd like - minded friends!