Product Description
Woodward 9904-264 2301A Load Sharing and Speed Control
Product Overview
- The Woodward 9904-264 is a 2301A Load Sharing and Speed Control designed for precise speed regulation and load sharing of diesel, gas, or dual-fuel engines in generator set applications, such as power generation, marine propulsion, and industrial systems. Part of Woodward’s 2301A series, this analog-based controller provides reliable control for single-engine or parallel operation, ensuring stable engine speed and equitable load distribution among multiple generators. The 9904-264 model is a specific configuration within the 2301A family
Technical Specifications
- The 9904-264 has the following specifications based on industry sources and Woodward documentation:
| Specification | Details |
|---|---|
| Model/Part Number | 9904-264 |
| Manufacturer | Woodward |
| Description | 2301A Load Sharing and Speed Control for Engines |
| Series | 2301A |
| Function | Regulates engine speed and enables load sharing for generator sets |
| Processor | Analog-based control (no microprocessor) |
| Memory | None (analog system, no digital storage) |
| Display | No display; potentiometers and LED indicators for status and adjustments |
| Inputs | 1 speed input (magnetic pickup, 0.5–15 kHz) 1 analog input (0–5 V or 4–20 mA, for remote setpoint or load sharing) 2 discrete inputs (24 VDC, for start/stop or mode selection) |
| Outputs | 1 actuator output (0–200 mA, compatible with Woodward actuators) 1 analog output (0–5 V, for load sharing or monitoring) 1 relay output (dry contact, up to 250 VAC/2 A, for alarms) |
| Communication Interfaces | None (analog control; load sharing via dedicated analog lines) |
| Control Modes | Isochronous, droop, load sharing |
| Speed Regulation Accuracy | ±0.5% of rated speed (steady-state) |
| Protection Functions | Overspeed protection (via external device), actuator fault detection |
| Redundancy | Non-redundant |
| Diagnostics | Basic fault detection (speed signal loss, actuator issues), status LEDs |
| Compatibility | Woodward actuators (e.g., EGB, UG-8, ProAct), magnetic pickups; integrates with Woodward synchronizers (e.g., SPM-A, 8440-1706) and load-sharing systems; compatible with third-party governors via analog signals |
| Power Supply | 18–40 VDC (24 VDC nominal) |
| Power Consumption | Approx. 5–10 W |
| Environmental Specifications | Operating Temperature: -40°C to +70°C (-40°F to +158°F) Storage Temperature: -40°C to +85°C (-40°F to +185°F) Relative Humidity: 5% to 95% non-condensing Vibration: IEC 60068-2-6 compliant Shock: IEC 60068-2-27 compliant |
| Enclosure | IP20 (requires enclosure for harsh environments) |
| Dimensions | Approx. 330 mm (H) x 190 mm (W) x 90 mm (D) |
| Weight | Approx. 1.5–2 kg |
| Mounting | Panel-mounted or chassis-mounted (via mounting brackets) |
| Certifications | CE, UL, CSA, marine certifications (e.g., DNV, ABS, configuration-dependent) |