Product Description
Woodward 9905-463 2301A Load Sharing and Speed Control
Product Overview
- The Woodward 9905-463 is a 2301A Load Sharing and Speed Control, designed for precise speed and load control of diesel, gas, or dual-fuel engines driving generators or mechanical loads in industrial applications such as power generation, marine propulsion, and process industries. This electronic control unit is part of Woodward’s 2301A series, offering reliable speed governing and load sharing for single-unit or parallel generator systems. The 2301A provides isochronous or droop speed control, load sharing with other compatible controls, and engine protection features, ensuring stable operation under varying conditions. The 9905-463 is a specific variant of the 2301A, featuring a low-voltage power supply (20–40 VDC) and potentially specific configurations for speed range, actuator compatibility, or certifications compared to other 2301A models (e.g., 9905-020, 9905-211). It is designed to interface with Woodward actuators and integrates with synchronization systems for paralleling applications. The 9905-463 features a rugged design for reliable operation in harsh environments. It is distinct from Woodward’s digital synchronizers like the DSLC series (e.g., 9905-377, 8923-1262), EasyGen series (e.g., 8440-2179 EasyGen-3500XT, 8440-2050 EasyGen-3200-5), EGCP-3 series (e.g., 8444-1082), SPM-D2 series (e.g., 8446-1048), SPM-A series (e.g., 9905-001K), MicroNet Plus (e.g., 8800-1001), TG-13 (e.g., 8516-050), 505D series (e.g., 8200-1300), Peak150 series (e.g., 8200-176), ProAct series (e.g., 8237-2595), 723PLUS series (e.g., 8270-1013), EPG systems (e.g., 8290-195), electronic governors (e.g., 8406-121), and actuators (e.g., 8408-921), focusing on speed and load control for engines.
Technical Specifications
- The 9905-463 has the following specifications based on industry sources and Woodward documentation:
| Specification | Details |
|---|---|
| Model/Part Number | 9905-463 |
| Manufacturer | Woodward |
| Description | 2301A Load Sharing and Speed Control for Engines and Generators |
| Series | 2301A |
| Function | Controls engine speed and load sharing; provides isochronous or droop governing for single or parallel operation |
| Control Type | Electronic (analog-based) |
| Inputs | 1 magnetic pickup input (MPU, 1–30 V RMS, 100–20 kHz) 4 analog inputs (configurable for 4–20 mA, 0–5 V, e.g., load sensor, remote speed setpoint) 8 discrete inputs (24 VDC, e.g., start, load sharing enable) |
| Outputs | 1 actuator output (0–200 mA or 0–160 mA, configuration-dependent) 2 analog outputs (4–20 mA for speed, load) 2 relay outputs (dry contact, up to 250 VAC/5 A for alarms) |
| Speed Range | Configurable, typically 500–13,000 Hz (dependent on MPU and engine) |
| Load Sharing Accuracy | ±5% of rated load (typical) |
| Communication Interfaces | Load sharing lines (analog, compatible with other 2301A units) Optional serial interface (RS-232, Woodward proprietary protocol) |
| Control Modes | Isochronous speed control, droop speed control, isochronous load sharing |
| Redundancy | Non-redundant |
| Diagnostics | Fault detection (e.g., MPU failure, actuator fault), status LEDs |
| Compatibility | Woodward actuators (e.g., EGB-10, EGB-13, ProAct, 8408-921), magnetic pickups, synchronizers (e.g., SPM-A, DSLC); interfaces with voltage regulators and third-party devices via analog signals |
| Power Supply | 20–40 VDC (low-voltage model) |
| Power Consumption | Approx. 10–20 W |
| Environmental Specifications | Operating Temperature: -40°C to +70°C (-40°F to +158°F) Storage Temperature: -55°C to +105°C (-67°F to +221°F) Relative Humidity: 5% to 95% non-condensing Vibration: MIL-STD-810 compliant Shock: MIL-STD-810 compliant |
| Enclosure | IP20 (requires control cabinet); optional IP54 with enclosure |
| Dimensions | Approx. 330 mm (H) x 190 mm (W) x 90 mm (D) |
| Weight | Approx. 2–3 kg |
| Mounting | Panel-mounted or chassis-mounted |
| Certifications | CE, UL, CSA, marine certifications (e.g., DNV, ABS, Lloyd’s Register, configuration-dependent); ATEX/IECEx Zone 2 (optional) |