Intelligent Control Device For Operating Environments

The MOEORW-W5085HJ intelligent operation environment regulation device is specially developed for closed power spaces such as transformer substations, power distribution rooms and ring main units. It resolves four core contradictions of traditional combined solutions of air conditioners, exhaust fans and dehumidifiers: heat accumulation caused by turbulent flow and vortex from conventional ventilation, conflict between temperature reduction and moisture prevention, equipment corrosion by dust and salt fog brought by ventilation, and electric creepage/arc flash failures triggered by condensed dew mixed with dirt. Integrating five systems including displacement ventilation, intelligent temperature & humidity balance, multi-gas monitoring, water leakage & smoke security monitoring, and remote operation & maintenance, the equipment realizes full-automatic closed-loop regulation of station environment, reduces failure probability of electrical equipment and extends service life of switch cabinets. It also monitors toxic SF6 gas in real time to protect the personal safety of operation and maintenance staff. Suitable for standardized environment renovation projects of smart grids, it is the core mass-purchasing equipment for power grid companies, general power engineering contractors and substation operation & maintenance enterprises.

The whole equipment is developed and produced in strict accordance with more than 20 national standards for electrical engineering, power equipment safety, electromagnetic compatibility and environmental tests. All test items reach Grade III severe industrial level, serving as core compliance certificates for power grid project bidding and bulk supply of power engineering. It eliminates risks of insufficient bidding qualifications and unqualified equipment acceptance for wholesale clients:
1.Electromagnetic anti-interference standards: GB/T14598 series ESD, radiated electromagnetic field, fast transient and damped oscillatory wave burst tests, with common-mode withstand voltage 2.5KV and differential-mode withstand voltage 1KV. No signal disorder or false alarms under complex electromagnetic environment of high & low voltage substations;

2.Equipment safety standards: GB4793-1995 general safety requirements for measuring & controlling electrical equipment, dielectric withstand voltage 2KV, impulse withstand voltage 5KV, eliminating potential hazards of electric leakage and short circuit;

3.High/low temperature & humidity durability standards: GB/T2423 low temperature, high temperature, constant damp heat and random vibration tests. It stably operates in basements and outdoor power distribution rooms with wide temperature range of -10℃~60℃ and relative humidity up to 99%;

4.Vibration & shock resistance standards: Grade I vibration/shock durability test per GB/T11287 and GB/T14537. No internal component damage during transportation and site hoisting, with bulk transportation loss rate lower than 0.3%.

The complete regulation system consists of 6 modular units: main control cabinet host, fresh air circulation system, cooling & dehumidification module, full-series sensor acquisition unit, remote communication module and on-site actuator. All accessories are standardized at factory delivery. Wholesale clients can purchase one main host to match all supporting hardware without cooperating with multiple sensor suppliers separately, cutting project delivery cycle by 30%:

1.Main control host: Built-in embedded intelligent processor + 7-inch touch HMI, integrated logic control algorithm. It automatically calculates environmental regulation strategies based on heat balance, aerodynamics and microclimate theories, eliminating frequent manual parameter debugging;

2.Fresh air filtration circulation system: 4μm precision filter cartridge blocks dust, salt fog and acid suspended matter with 98% filtration efficiency, preventing pollution discharge on equipment insulators from the source. One-way controllable airflow channel eliminates indoor turbulent flow, boosting heat dissipation efficiency by 45% and saving 32% power compared with traditional fans;

3.Integrated cooling & dehumidification module: Integrated evaporator & condenser structure realizes simultaneous temperature reduction and dehumidification, precisely stabilizing indoor temperature & humidity at safe thresholds of 38℃ and 65% to suppress condensed dew on switch cabinets and bus rooms all day long. Rated power 750W, customizable according to site area (＜200㎡) and total heat generation (＜35kW);

4.Full-range supporting sensors (standard complete supply): PM2.5 dust sensor, temperature & humidity transmitter, smoke/flame detector, SF6+O2 dual gas detector, water leakage level sensor; supporting actuators: fan controller, drainage pump controller, access control linkage module;

5.Dual remote communication modules: Standard GPRS wireless transmission + wired Ethernet dual links, supporting three-layer remote management including local touch screen operation, mobile terminal, PC master station and WEB webpage, compatible with centralized monitoring platform access of substations;

6.Two cabinet models: Integrated cabinet without outdoor unit (for small indoor power distribution rooms), split type with outdoor unit (for switching stations with large heat generation). Cabinet size and shell protection grade can be customized for bulk orders.

1.Intelligent linkage regulation of all parameters The processor collects all sensor data in real time to dynamically control start/stop of fans, compressors, dehumidifiers and water pumps. Automatic cooling and dehumidification are triggered when temperature exceeds 38℃ or humidity exceeds 65%. Exhaust, drainage and audible-visual alarms are activated synchronously upon SF6 concentration overload, water accumulation or smoke detection, realizing full-process unattended automatic disposal and cutting on-site manual inspection frequency by 60%.

2.Multi-level alarm push mechanism Three-level alarms including local audible-visual alarm, GPRS SMS push and monitoring master station platform, supporting bulk binding of multiple operation & maintenance staff mobile numbers. Alarm records are stored locally for 1 year for fault source tracing at any time, complying with power safety supervision filing requirements.

3.24h constant temperature ventilation & toxic gas protection Dual modes of continuous normal ventilation and full-load emergency ventilation increase indoor oxygen content in real time and rapidly discharge suffocating toxic SF6 gas. The equipment noise is only 57Db, avoiding noise disturbance during long-term operation in machine rooms and meeting noise reduction standards of power distribution rooms.

4.High-efficiency dehumidification & anti-condensation closed-loop control Dynamic cooling power adjustment via temperature & humidity negative feedback algorithm eliminates condensed dew on cabinets, busbars and ground. Actual measurement shows it reduces incidence of equipment creepage and arc flash faults by 82%, drastically cutting maintenance and replacement costs of switch cabinets.

5.Real-time data upload & full-cycle data storage Remote measurement & remote signaling data are uploaded to power distribution automation master station at second level. Historical data of temperature, humidity, gas and water level are stored locally, retrievable by time period and monitoring point, with supporting trend curve analysis to provide data support for equipment condition-based maintenance.

6.WEB remote operation & maintenance control Remote start/stop of all actuators and remote threshold parameter modification via external network webpage and mobile APP, eliminating on-site debugging labor and cutting annual manual operation & maintenance cost of single project by 40%, matching remote centralized management mode of power groups.