Continuous / Step voltage regulation step voltage regulator 6kV 6.35kV 11kV 15kV 22kV 33kV – IEEE
Key attributes
| Brand | ROCKWILL |
| Model NO. | Continuous / Step voltage regulation step voltage regulator 6kV 6.35kV 11kV 15kV 22kV 33kV – IEEE |
| Rated voltage | 11kV |
| Rated frequency | 50/60Hz |
| Phases | Single-phase |
| Series | RVR |
Product descriptions from the supplier
Product Overview
As a pioneer and the first source factory in China's voltage regulator industry, we have been deeply rooted in the sector for decades, accumulating profound technical expertise. Leveraging top-tier R&D capabilities and a mature manufacturing system, our products have gained widespread market trust with reliability and performance that far exceed industry standards.
The RVR-1 single-phase step voltage regulator is an oil-immersed autotransformer with an integrated on-load tap changer, designed to automatically stabilize distribution line voltage. It offers ±10% regulation in 32 fine steps (approximately 0.625% each), ensuring consistent voltage across varying load conditions.
Voltage ratings range from 2,500V (60 kV BIL) to 19,920V (150 kV BIL), with current capacities from 50A to 1665A and kVA ratings from 38.1 to 1000. The unit is compatible with both 50Hz and 60Hz systems and can be pole-mounted, pad-mounted, or installed in substations.
Product Features
Precise Step Voltage RegulationOffers a ±10% wide voltage adjustment range, achieved through 32 automatic and precise tap positions—each calibrated to approximately 0.625%. This fine-step design enables real-time response to grid voltage fluctuations, ensuring the output voltage is stabilized within a high-precision range, effectively compensating for line voltage drops and meeting the strict voltage quality requirements of industrial and commercial loads.
Intelligent Digital ControllerFeatures a high-performance programmable digital controller with user-friendly configuration options. Supports optional GPRS/GSM/Bluetooth communication protocols for seamless remote monitoring, parameter adjustment, and fault diagnosis. Built-in data logging functionality automatically records key operating parameters (e.g., voltage, current, tap position, fault codes) with timestamped records, facilitating maintenance analysis and system optimization for enhanced operational efficiency.
Flexible Installation ConfigurationsDesigned for versatile deployment across power system scenarios:
Pole mounting: Compatible with standard utility poles via dedicated mounting brackets, ideal for overhead distribution lines (e.g., rural power grids, industrial park feeders);
Pad-mount installation: Equipped with a robust ground-mounted base for stable placement in outdoor open areas or near load centers;
Substation mounting: Optional elevating platforms available for integration into substation equipment layouts, adapting to indoor or outdoor substation environments.
All installation options comply with power industry safety standards, ensuring easy assembly and reliable operation in diverse conditions.
Technical Specifications
Available voltage ratings include 50Hz (6kV, 6.35kV, 11kV, 15kV, 22kV, 33kV) and 60Hz (7.62kV, 13.8kV, 14.4kV, 19.92kV, 34.5kV). Custom voltage ratings are available upon request.
Parameter |
Specification |
Model No. |
RVR-1 |
Rated Voltage |
7.62 kV |
Voltage Regulation Range |
±10% (Boost/Buck) |
Tap Steps |
32 steps (approx. 0.625% per step) |
Phase |
Single-phase |
Rated Frequency |
50 Hz / 60 Hz |
Rated Current |
50 A - 1665 A |
Rated Capacity (kVA) |
38.1 - 1000 kVA |
BIL (Basic Impulse Level) |
60 - 150 kV |
Transformer Type |
Oil-immersed autotransformer with on-load tap changer |
Cooling Method |
ONAN (Oil Natural Air Natural) |
Winding Type |
Two-winding Transformer |
Core Shape |
Ring type |
50Hz
Voltage (kV) |
Current (A) |
Capacity (kVA) |
BIL (kV) |
Power Frequency Withstand Voltage (kV) |
Insulation Class |
6/6.35 |
50 |
30/32 |
75/95 |
28 |
A |
100 |
60/64 |
||||
150 |
90/95 |
||||
200 |
120/127 |
||||
300 |
180/191 |
||||
400 |
240/254 |
||||
500 |
300/318 |
||||
600 |
360/381 |
||||
11 |
50 |
55 |
|||
100 |
110 |
||||
150 |
165 |
||||
200 |
220 |
||||
300 |
330 |
||||
400 |
440 |
||||
500 |
550 |
||||
600 |
660 |
||||
15 |
50 |
75 |
125/150 |
50 |
|
100 |
150 |
||||
150 |
225 |
||||
200 |
300 |
||||
300 |
450 |
||||
400 |
600 |
||||
500 |
750 |
||||
22 |
50 |
110 |
|||
100 |
220 |
||||
150 |
330 |
||||
200 |
440 |
||||
300 |
660 |
||||
33 |
50 |
165 |
170/200 |
70 |
|
100 |
330 |
||||
150 |
495 |
||||
200 |
660 |
||||
250 |
825 |
||||
300 |
990 |
Key Advantages
Certified Quality
ISO9001 & ISO14001 certified; each unit is fully type-tested before deliveryRobust & Reliable
Built for harsh environments with minimal maintenance requirementsFlexible Packaging Options
Export-grade seaworthy wooden boxes available in single or double-unit formats to reduce shipping costProfessional Support
Fast pre-sales response, real-time production updates, and long-term after-sales service
Application Scenarios
Rural & Urban Distribution Networks
Compensates for voltage drops along long feeder linesIndustrial Zones
Ensures voltage stability for large machinery and sensitive equipmentRenewable Energy Integration
Maintains voltage stability in grids with wind or solar inputSubstation Use
Enhances voltage control across secondary distribution systems
IEEE C57.15/C57.116 standards define critical requirements for 33kV regulators:
-
Testing Rigor: Mandates lightning impulse withstand (110kV) and temperature rise tests (55°C max)
-
Safety Protocols: Requires pressure relief devices and fault current withstand (25kA/2s)
-
Performance Metrics: Specifies ±0.5% voltage accuracy and 96% minimum efficiency at 50-100% load
-
Compliance Value: IEEE-certified models ensure grid compatibility and simplify utility approval processes
These standards directly correlate to 20% longer service life and 35% reduced maintenance costs in field deployments.
Step voltage regulators offer two distinct voltage correction methods:
-
Step Regulation: Adjusts voltage in fixed increments (typically ±10% range in 0.625-1.25% steps) using tap changers. Ideal for stable grids where precision adjustments are sufficient.
-
Continuous Regulation: Provides smooth, stepless correction through electronic power conversion. Perfect for volatile grids with frequent fluctuations (e.g., renewable integration zones).
All models (6kV-33kV) comply with IEEE C57.15 standards, with step versions featuring 32-position tap changers and continuous versions maintaining ±1% output accuracy under all load conditions.
Related Products
-
6kV 6.35kV 7.62kV 13.8kV Overhead Line Single Phase Automatic Step Voltage Regulator
-
11kV 15kV 22kV 33kV Fully automated, maintenance-free 32 step voltage regulator for distribution lines
-
Single Phase Automatic Voltage Regulator – 7.62 kV 13.8 kV 14.4 kV 19.92 kV 34.5 kV IEC 60076 compliant for Power Industry
-
IEC Standard voltage regulator control compliant for Industrial Manufacturing Industry
-
Automatic Tap - Changing Voltage Regulator – 7.62 kV 11kV 13.8 kV 14.4 kV 19.92 kV 34.5 kV, IEEE compliant for Power Industry
-
Voltage stabilization and compensation overhead voltage regulator 6kV 6.35kV 11kV 15kV 22kV 33kV – IEEE for Power Industry
-
Oil-immersed self-cooled induction voltage regulator 6kV 6.35kV 11kV 15kV 22kV 24kV 33kV source manufacturer
Related Knowledges
-
Three-Phase Voltage Regulator Selection: 5 Key FactorsIn the field of power equipment, three-phase voltage stabilizers play a crucial role in protecting electrical devices from damage caused by voltage fluctuations. Selecting the right three-phase voltage stabilizer is essential to ensure stable operation of equipment. So, how should one choose a three-phase voltage stabilizer? The following factors should be considered: Load RequirementsWhen selecting a three-phase voltage stabilizer, it is essential to clearly understand the total power demand ofEdwiin12/01/2025 -
How to Install a Three-Phase Voltage Regulator Safely1. Pre-installation PreparationInstalling a three-phase voltage regulator is a task that requires meticulous operation and strict adherence to specifications. Below is a detailed installation guide and key precautions: Selection and MatchingSelect an appropriately rated three-phase voltage regulator based on the load’s rated voltage, current, power, and other parameters. Ensure that the regulator’s capacity is equal to or greater than the total load power, and that its input and output voltage rJames12/01/2025 -
Repair Small Burnt Sections in Voltage Regulator CoilsRepair of Partial Burnout in Voltage Regulator CoilWhen a portion of the voltage regulator coil is burned out, it is usually unnecessary to completely dismantle and rewind the entire coil.The repair method is as follows: remove the burned and damaged section of the coil, replace it with enameled wire of the same diameter, secure it firmly with epoxy resin, and then level it with a fine-tooth file. Polish the surface with No. 00 sandpaper and clean off any copper particles with a brush. Fill theFelix Spark12/01/2025 -
How to correctly use a single-phase autotransformer voltage regulator?A single-phase autotransformer voltage regulator is a common electrical device widely used in laboratories, industrial production, and household appliances. It adjusts the output voltage by varying the input voltage and offers advantages such as simple structure, high efficiency, and low cost. However, improper use may not only impair equipment performance but also lead to safety hazards. Therefore, mastering the correct operating procedures is essential.1. Basic Principle of Single-Phase AutotrEdwiin12/01/2025 -
Separate vs Unified Regulation in Automatic Voltage RegulatorsDuring the operation of power and electrical equipment, voltage stability is crucial. As a key device, the automatic voltage regulator (stabilizer) can effectively regulate voltage to ensure that equipment operates under appropriate voltage conditions. In the application of automatic voltage regulators (stabilizers), "individual-phase regulation" (separate regulation) and "three-phase unified regulation" (common regulation) are two common control modes. Understanding the differences between thesEcho12/01/2025 -
Three-Phase Voltage Regulator: Safe Operation and Cleaning TipsThree-Phase Voltage Regulator: Safe Operation and Cleaning Tips When moving a three-phase voltage regulator, do not use the handwheel; instead, use the carrying handle or lift the entire unit for relocation. During operation, always ensure that the output current does not exceed the rated value; otherwise, the service life of the three-phase voltage regulator may be significantly reduced, or it may even burn out. The contact surface between the coil and the carbon brushes should be kept clean atJames12/01/2025
Related Solutions
-
Intelligent Operation Solution for 12kV Vacuum Circuit Breakers: Integrating Real-time Monitoring & Lifetime OptimizationⅠ. Equipment Operation & MaintenanceIntelligent Monitoring System IntegrationMulti-parameter Real-time Monitoring: Embedded sensors (temperature, displacement, Hall effect current sensors) track contact temperature rise, mechanical characteristics (opening/closing speed, overtravel), coil current, and partial discharge signals. Data undergoes preprocessing via edge computing prior to cloud upload.Lifetime Prediction Model: Dynamically evaluates remaining lifespan using electrical wear dataRockwill06/10/2025 -
SF6 Circuit Breaker Solutions for Outdoor Installation (Anti-Pollution & Seismic Resistance)I.Core Challenges in Outdoor InstallationIn high-voltage transmission and distribution systems, SF6 circuit breakers are exposed to complex outdoor environments for extended periods, facing the following critical issues:Pollution & Insulation DegradationDust, salt fog, and industrial pollutants in outdoor environments easily adhere to equipment surfaces. In coastal or industrial areas, pollution levels may reach Class IV, resulting in insufficient creepage distance and triggering flashoRockwill05/12/2025 -
12kV Indoor Vacuum Circuit Breaker Southeast Asia Solution: Anti-Corrosion Compact Design12kV Indoor Vacuum Circuit Breaker Southeast Asia Solution: Anti-Corrosion Compact DesignⅠ. Executive SummarySoutheast Asia faces rapidly growing electricity demand alongside environmental challenges including high temperatures, humidity, salt spray corrosion, and grid instability. This solution recommends Solid Insulated Pole-Mounted Vacuum Circuit Breakers (VCB) featuring high reliability, compact design, and smart monitoring. Tailored for tropical climates and industrial scenarios, itRockwill06/10/2025
