The model 2GCA294985A0050 is not a display screen, but rather an ABB RVC-8 Power Factor Controller (also known as a Reactive Power Compensation Controller). It is used to automatically control the switching of capacitor banks, optimize the power factor of the power grid, and reduce energy consumption and electricity penalty charges due to poor power factor.
- Core Product Information
| アイテム | 詳細仕様 |
| モデル | RVC-8 (2GCA294985A0050), Old Order No.: 10148029 |
| 製品タイプ | 8-output Power Factor Controller |
| 電圧範囲 | 100V~440V, suitable for most low-voltage power grids |
| 入力電流 | 1A or 5A (RMS), requires connection to a Current Transformer (CT) |
| 周波数範囲 | Auto-adapts to 50/60Hz |
| Display Type | Black and white LCD display with functional icons |
| 制御モード | Fully automatic control, supporting multiple switching strategies such as Integral, Cyclic, and Direct |
| 動作温度 | -25°C~+70°C (ambient); Triggers an alarm if internal temperature exceeds 85°C |
| Power Consumption | Max 8VA |
| Output Circuits | 8 programmable relay outputs, each rated at 16A/250VAC |
- 主要な機能機能
- Comprehensive Parameter Monitoring:
Measures and displays key grid parameters including voltage, 現在, power factor, THDV (Total Harmonic Voltage Distortion), and THDI (Total Harmonic Current Distortion).
- Flexible Control Strategies:
Fully programmable switching sequence supporting both共补 (Total Phase Compensation) and 分补 (Individual Phase Compensation).
Switching interval adjustable from 1 second to 999 秒.
Target power factor adjustable from 0.7 (inductive) に 0.7 (capacitive).
Auto-adapts to grid phase sequence and CT terminal connection.
- Multiple Protection Functions:
Over-voltage / Under-voltage protection.
Over-temperature protection (internal temperature > 85℃).
Excessive harmonic protection (THDV threshold超限).
Power-off memory function (maintains capacitor bank state for power off durations up to 40ms).
- User-friendly Interface:
Upgraded icon-based UI allows for quick commissioning without a manual. The compact design saves cabinet space.
- アプリケーションシナリオ
Industrial Plants: Reactive power compensation for inductive loads such as inverters, コンプレッサー, and motors.
Commercial Complexes: Reactive current compensation for devices like central air conditioners and elevators.
Data Centers: Stabilize the power supply system and improve energy efficiency.
New Energy Power Stations: Optimize the reactive power output of photovoltaic inverters and wind turbine converters to improve grid connection efficiency.
Public Facilities: Power distribution systems for public buildings such as hospitals, schools, and subway stations.
- RVC Series Full Model Comparison
| モデル | 注文番号. | Number of Output Circuits | 主な特長 |
| RVC-3 | 2GCA294983A0050 | 3-回路 | Suitable for small capacitor cabinets |
| RVC-6 | 2GCA294984A0050 | 6-回路 | Medium-scale capacitor compensation system |
| RVC-8 | 2GCA294985A0050 | 8-回路 | This product; suitable for medium and large capacitor cabinets |
| RVC-10 | 2GCA294986A0050 | 10-回路 | Large-scale capacitor compensation system |
| RVC-12 | 2GCA294987A0050 | 12-回路 | Extra-large scale capacitor compensation system |
| RVC-L-12 | 2TAZ460104R1120 | 12-回路 | Long-life version, replacing the old RVC-12 |
| RVT-L-18 | 2TAZ460103R0180 | 18-回路 | Dedicated to 3-phase individual compensation, supports 18 output circuits |
- Replacement Solutions
- ABB Original Factory Upgrade Replacements:
RVC-L Series: Long-life version, 例えば, RVC-L-12 (replaces RVC-12).
RVT Series: More advanced power factor controllers with support for more functions and communication protocols.
- Other Brand Replacements:
シュナイダー: VPL06N/VPL12N series.
シーメンス: 7KM series power factor controllers.
Domestic Replacements: Similar products from brands such as Chint and Delixi.
- 技術文書とサポート
- 注意事項: The RVC-8 has been discontinued. It is recommended to prioritize upgrading to the RVC-L series or RVT series products for better performance and a longer service life.
Complete List of ABB Power Factor Controller Models and Comparison with Mainstream Brands
- Complete List of ABB Power Factor Controller Models
- RVC Series (製造中止; recommended upgrade to the RVC-L series)
| モデル | 注文番号. (New/Old) | Number of Outputs | Core Specifications | アプリケーションシナリオ |
| RVC-3 | 2GCA294983A0050/10148027 | 3-回路 | 100-440Vと, 1/5A CT, IP20 | Small capacitor cabinets, stable load systems |
| RVC-6 | 2GCA294984A0050/10148028 | 6-回路 | 100-440Vと, 1/5A CT, IP20 | Medium compensation systems, commercial buildings |
| RVC-8 | 2GCA294985A0050/10148029 | 8-回路 | 100-440Vと, 1/5A CT, IP20 | Medium and large compensation systems, industrial plants |
| RVC-10 | 2GCA294986A0050/10148030 | 10-回路 | 100-440Vと, 1/5A CT, IP20 | Large compensation systems, データセンター |
| RVC-12 | 2GCA294987A0050/10148031 | 12-回路 | 100-440Vと, 1/5A CT, IP20 | Extra-large compensation systems, new energy power stations |
コア機能: Black and white LCD icon-based UI, supports Integral/Cyclic/Direct control, includes THDV/THDI monitoring, and features Over-voltage/Under-voltage/Harmonic/Over-temperature protection.
- RVC-L Series (RVC upgrade, long-life design)
| モデル | 注文番号. | Number of Outputs | Core Specifications | Upgrade Advantages |
| RVC-L-3 | 2TAZ460104R0030 | 3-回路 | 100-440Vと, 1/5A CT, IP20 | Extended service life, optimized algorithms |
| RVC-L-6 | 2TAZ460104R0060 | 6-回路 | 100-440Vと, 1/5A CT, IP20 | Extended service life, optimized algorithms |
| RVC-L-8 | 2TAZ460104R0080 | 8-回路 | 100-440Vと, 1/5A CT, IP20 | Extended service life, optimized algorithms |
| RVC-L-10 | 2TAZ460104R0100 | 10-回路 | 100-440Vと, 1/5A CT, IP20 | Extended service life, optimized algorithms |
| RVC-L-12 | 2TAZ460104R1120 | 12-回路 | 100-440Vと, 1/5A CT, IP20 | Extended service life, optimized algorithms; most widely used |
コア機能: Retains all RVC functionality with improved component quality, extended MTBF (Mean Time Between Failures), and greater stability and reliability.
- RVT Series (Advanced features, supporting individual phase compensation)
| モデル | 注文番号. | Number of Outputs | Core Specifications | コア機能 |
| RVT-6 | 10079182 | 6-回路 | 100-460Vと, 1/5A CT | Integral/Cyclic/Direct control, individual/total phase compensation, harmonic monitoring |
| RVT-12 | 10079161 | 12-回路 | 100-460Vと, 1/5A CT | Integral/Cyclic/Direct control, individual/total phase compensation, harmonic monitoring |
| RVT-12-3P | Custom | 12-回路 | 100-460Vと, 1/5A CT | 3-phase independent measurement, energy calculation, support for all connection types |
コア機能: More precise measurement, support for 3-phase unbalanced systems, independent measurement of each phase, suitable for complex load environments.
- RVT-L Series (Latest touchscreen series, most powerful features)
| モデル | 注文番号. | Number of Outputs | Control Type | Core Advantages |
| RVT-L-18 3P(N) | 2TAZ460103R0180 | 18-回路 | Contactor switching (passive) | Touchscreen UI, 3-phase full parameter measurement, harmonic spectrum analysis |
| RVT-L-18 3P(T) | Custom | 18-回路 | Thyristor switching (active DC12V) | Dynamic compensation, fast response to impact loads |
| RVT-L-24 3P(N) | Custom | 24-回路 | Contactor switching (passive) | Maximum number of output circuits, suitable for extra-large systems |
| RVT-L-24 3P(T) | Custom | 24-回路 | Thyristor switching (active DC12V) | Dynamic compensation, maximum number of output circuits |
コア機能: Color touchscreen, 18/24 output circuits, support for low/medium voltage applications, optional Modbus communication, suitable for high-end projects and smart grids.
- Comparison List of Mainstream Brand Power Factor Controllers (Categorized by Number of Output Circuits)
| Number of Outputs | ABB | シュナイダー | シーメンス | チント | 美味しい | Main Feature Comparison |
| 3-回路 | RVC-L-3 | VPL03N | 7KM2111 | NWKL1-3 | JKL2B-3 | ABB/RVC-L: Harmonic monitoring; シュナイダー: モジュラー設計; シーメンス: Strong communication; Domestic: High cost-performance ratio |
| 6-回路 | RVC-L-6 | VPL06N | 7KM2112 | NWKL1-6 | JKL2B-6 | ABB: Flexible switching strategies; シュナイダー: Plug-and-play; シーメンス: Strong diagnostic capabilities |
| 8-回路 | RVC-L-8 | VPL08N | 7KM2113 | ZT-830-8 | JKL5C-8 | ABB: Integral/Cyclic/Direct 3 modes; Domestic: Significant cost advantage |
| 12-回路 | RVC-L-12 | VPL12N/NVPL12N | 7KM2114 | NWKL1-12 | JKL2C-12 | ABB: Over-temperature protection; シュナイダー: 24V auxiliary power; シーメンス: Detailed fault records |
| 18-回路 | RVT-L-18 | NVPL18N/NVPL18T | 7KM2318 | ZT-830-18 | Custom | ABB/RVT-L: Touchscreen; シュナイダー: Contactor/Thyristor dual version; シーメンス: Advanced algorithms |
| 24-回路 | RVT-L-24 | NVPL24N/NVPL24T | 7KM2324 | Custom | Custom | ABB/RVT-L: Harmonic spectrum; シュナイダー: Maximum number of circuits; シーメンス: Industrial network integration |
- Comparison Table of Core Technical Characteristics by Brand
| ブランド | Representative Series | Core Advantages | Disadvantages | アプリケーションシナリオ |
| ABB | RVC-L/RVT-L | High measurement accuracy, comprehensive protection, strong harmonic analysis, 長寿命 | Higher price, some models require customization | 産業オートメーション, new energy, high-end commercial projects |
| シュナイダー | VPL/NVPL | モジュラー設計, plug-and-play, rich communication protocols | General harmonic processing capability | Commercial buildings, データセンター, infrastructure |
| シーメンス | 7KM | Powerful diagnostic functions, excellent industrial network integration, advanced algorithms | Complex operation, steep learning curve | 重工業, power systems, large factories |
| チント | NWKL1/ZT-830 | High cost-performance ratio, 簡単な操作, compatible with domestic power grids | Few high-end features, limited communication options | Small and medium enterprises, civil construction, renovation projects |
| 美味しい | JKL2B/JKL5C | Affordable price, good reliability, comprehensive after-sales service | Lack of advanced algorithms, weak harmonic monitoring | Small factories, shops, residential power distribution |
- Selection Guidelines and Replacement Recommendations
- RVC Series Upgrade: Existing RVC users are recommended to directly upgrade to the corresponding RVC-L model to maintain compatibility of control logic and obtain a longer service life and more stable performance.
- Selection of Number of Circuits: Select the number of circuits based on 1.2 times the total reactive power of the system, and reserve 2-3 circuits for future load increases.
- Control Type Selection:
Stable Loads: Choose contactor switching (タイプN) for low cost and long service life.
Impact Loads: Choose thyristor switching (Type T) for fast response and no inrush current.
- Harmonic Considerations: If the system THDV > 5%, it is recommended to select a model with harmonic protection functions (such as ABB RVT-L, Schneider NVPL), and use it in conjunction with reactors.
- Quick Reference Table of Technical Parameters (Universal for the entire series)
| パラメータのカテゴリ | Typical Value | 注意事項 |
| Operating Voltage | 100-440Vと (RVC/RVC-L), 85-305Vと (RVT-L) | Wide voltage range, compatible with global power grids |
| Current Input | 1A or 5A CT (RMS) | Requires connection to a Current Transformer |
| Frequency Adaptation | Auto-adapts to 50/60Hz | No manual setting required |
| Target Power Factor | Adjustable from 0.7 (inductive) に 0.7 (capacitive) | Meets requirements of different power grids |
| Switching Interval | Adjustable from 1 second to 999 秒 | Independent of load changes |
| 保護機能 | Over-voltage/Under-voltage/Harmonic/Over-temperature/Power-off memory | Comprehensive protection for capacitors and the power grid |
| 設置方法 | DIN rail installation (幅: standard 96mm) | Saves cabinet space |
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