WOODWARD Peak200 Steam Turbine Controls

WOODWARD Peak200 Steam Turbine Controls

Product Overview

The Peak200 series controllers come in multiple models to meet different operating conditions and installation requirements. From the perspective of installation methods, there are two options: Bulkhead Mount and Front Panel Mount. In terms of voltage adaptation, it covers low voltage (LV, such as 24 VDC) and high voltage (HV, such as 120/220 VAC) models. In addition, there are corresponding certified models for hazardous areas such as ATEX Zone 2, Class1 Div2 Haz. Loc. Compliant, etc., to ensure safe and stable operation in special environments.

Product advantages

High control accuracy: Supports proportional, integral, and derivative (PID) control algorithms, enabling precise control of key parameters such as speed and load. In terms of speed control, the control error can be as low as ± 0.5% to ensure that the steam turbine always operates in the optimal state; In terms of load response, the response time is less than 500ms, which can quickly adapt to changes in load and ensure the stability and reliability of the system.

Easy to operate: It is a configurable controller on site, with a built-in graphical user interface (GUI) that adopts a menu driven screen design. Site engineers do not need to have complex programming skills to easily configure controls for specific application settings. This convenient operation method not only improves configuration efficiency, but also reduces the requirement for professional skills of operators, making equipment installation, debugging, and daily maintenance easier and more feasible.

Strong environmental adaptability: Some models have undergone sulfur resistant conformal coating treatment, giving them excellent corrosion resistance and the ability to operate stably in harsh environments containing corrosive substances such as sulfur. The working temperature range of ordinary position models is -20 ℃ -+60 ℃, while the certified models for hazardous areas strictly follow relevant standards to ensure safe operation in hazardous environments. The product has a wide range of applications and can meet the steam turbine control needs of different industries and environments.

High cost-effectiveness: Its single design can be widely applied to various control application scenarios, and enterprises do not need to purchase multiple complex controllers for different projects or needs, greatly reducing procurement and customization costs. At the same time, the product has a short delivery time, which can quickly meet the urgent needs of the project, reduce the overall project cycle, improve the production efficiency of the enterprise, and bring higher economic benefits to the enterprise.

Good continuity of functional upgrades: Based on the mature 505 platform, a new design has been carried out, inheriting some mature technologies and basic functions of the 505 platform, such as speed control PID, startup mode (manual, automatic), critical speed band, remote speed set point (configurable), overspeed protection and testing capabilities, acceptance of redundant speed sensors, user configurable, etc., ensuring the stability and reliability of the product; On this basis, functional upgrades have been made, adding new features such as graphical HMI, front panel configurability (without the need for handheld devices), multilingual capability, first trip event latch, trip and alarm logs, real-time trends, internal turbine simulator, and one process control PID (cascaded PID), providing users with a richer, more convenient, and efficient user experience.

Model and configuration specifications

Installation method

Bulkhead Mount: Suitable for internal integration of equipment, saving space

Front Panel Mount: convenient for on-site operation and visual monitoring

Voltage level

Low voltage (LV): 24 VDC (typical models: 8200-1500, 8200-1503)

High Voltage (HV): 120 VAC/DC, 220 VAC (Typical Models: 8200-1501, 8200-1504)

Hazardous Area Certification

ATEX Zone 2: Suitable for explosive gas environments (such as 8200-1502, 8200-1505)

Class1 Div2 Haz. Loc. Compliant: North American Hazardous Area Certification (e.g. 8200-1508, 8200-1509)

Example of Core Component Number

Installation of cabin wall LV: 8200-1500

Front panel installation HV: 8200-1504

- ATEX Zone 2：8200-1502

- Class1 Div2：8200-1508

Technical specifications and specifications

Control accuracy

Speed control: ± 0.5% rated speed (NEMA D-class standard)

Load distribution error: ≤ 1% (when multiple machines are connected in parallel)

Input power supply

LV model: 24 VDC (± 10%)

HV model: 120 VAC/DC (± 15%) or 220 VAC (± 10%)

Hazardous area model: equipped with explosion-proof power isolation design

Signal input/output

Analog input: 4-20mA (remote speed setting), 0-5V

Analog output: 4-20mA (load control)

Digital input/output: dry contact (start/stop signal, alarm output)

communication interface

-2 x Ethernet (10/100Mbps, supports Modbus TCP)

-2 x CANopen (supports DS301/DS401 protocol)

- 1×RS485（Modbus RTU）

Display interface

Graphic HMI: 128 × 64 pixel menu driven screen, supporting multiple languages (Chinese, English, Spanish, etc.)

-Real time display: parameters such as speed, load, temperature, fault codes, etc

Functional performance specifications

Speed Control

Dual dynamic PID algorithm, response time<200ms

-Speed range: 0-150% rated speed (configurable)

-Critical speed avoidance: automatically skipping the resonance speed range

load control

Support constant speed, constant power, and constant pressure control modes

-Load step response time ＜ 500ms (10% → 90% load change)

Start and Stop

Manual start: step-by-step control (warm-up, acceleration, grid connection)

-Auto start: One click completion of the start sequence (including sequential control logic)

-Emergency stop: response time<100ms

Safety protection

Overspeed trip threshold: 110% -115% rated speed (adjustable)

-Bearing temperature protection: ≥ 120 ℃ (configurable)

-Vibration protection: ≥ 50 μ m (peak to peak, configurable)

data record

Trip log: stores the last 50 event records

-Trend curve: Supports real-time trend of 8 parameters (storage time ≥ 72 hours)

Environmental adaptability specifications

operation temperature

Normal model: -20 ℃~+60 ℃

-Hazardous area model: -40 ℃~+70 ℃ (ATEX certification scope)

protection grade

Front panel installation: IP54 (splash proof)

Cabin Wall Installation: IP20 (Indoor Environment)

Corrosion Resistance

Optional sulfur resistant conformal coating (suitable for corrosive gas environments containing H ₂ S, etc.)

Anti vibration

-5-50Hz, 2G (compliant with ISO 16750-3 standard)