Kehua YTR series online UPS uninterruptible power supply with long delay, stable and reliable power supply

Description :

  The Kehua YTR series UPS is a high-performance online uninterruptible power supply device designed to provide continuous and stable power protection for critical loads. It mainly solves power grid problems such as interruptions, voltage fluctuations, and frequency drift, ensuring that important loads such as servers, network equipment, and medical instruments can still operate normally or shut down safely in the event of a power outage. Typical operating conditions for this category include data center rooms, hospital operating rooms, industrial control centers, and financial trading systems that require extremely high levels of power continuity. As a representative model in this series, YTR1106 has zero switching time characteristics, which can purify power quality in real time and build a solid power barrier for backend devices.

  In terms of specifications and processes, the Kehua YTR series UPS usually adopts a dual conversion online topology structure, with a wide input voltage range and strong adaptability. Taking YTR1106 as an example, its rated capacity is usually 6kVA/4.2kW (depending on the configuration), and the input frequency supports automatic adaptation at 50/60Hz. The body design is compact, with optional standard rack or tower installation, making it easy to integrate into existing cabinet systems. The implementation standards comply with international and domestic standards such as GB/T 7260.3 and IEC 62040-3, and have passed certifications such as CE and CCC. Internally, high-frequency PWM modulation technology is used, combined with high-quality IGBT modules, to ensure an inverter efficiency of over 90%, while reducing harmonic distortion and outputting pure sine waves, meeting the strict requirements of precision electronic devices for power purity.

  When selecting, it is necessary to clarify the load type and power requirements. The Kehua YTR series UPS is suitable for inductive, capacitive, and nonlinear mixed loads, especially for IT equipment, communication base stations, and precision instruments. If the load is mainly for equipment with high starting current of motors, it is recommended to choose a higher redundancy model or pair it with an isolation transformer. Compared with backup UPS, the YTR series online models have slightly higher costs, but provide true zero millisecond switching and continuous voltage and frequency stabilization functions, suitable for critical businesses that do not allow any power interruptions. For scenarios that require long delay power supply, such as YTR1106, an external large capacity battery pack is required. When selecting, the battery ampere hour should be calculated based on the backup time requirements, and the charger current should be confirmed to be matched to avoid slow charging affecting the next backup power capacity.

  In terms of installation and maintenance, the Kehua YTR series UPS should be placed in a well ventilated, dry and dust-free environment, avoiding direct sunlight and high temperatures. When wiring YTR1106, it is necessary to strictly distinguish between input and output neutral wires to ensure good grounding and prevent interference and safety hazards. It is recommended to regularly check the battery status for daily maintenance, and conduct a charge and discharge test every 3-6 months to activate battery activity and evaluate remaining capacity. Pay attention to the panel indicator lights and LCD display information, and promptly handle alarm codes. Common faults include battery aging leading to shortened backup time, fan dust accumulation causing overheating protection, etc. It is necessary to regularly clean the air duct and replace the battery pack according to the usage cycle (usually 3-5 years) to ensure continuous and reliable power supply capability. Kehua YTR1106 is a 6kVA high-frequency UPS (standard machine, built-in battery) with single in single out and dual conversion online, available in tower and rack installation forms, used to provide short-term backup power.

⚡ Core Specifications

-Rated capacity/power: 6kVA/5400W (0.9 output power factor), can be set to 1.0 power factor operation through software in 0-30 ℃ environment.

-UPS type: Dual conversion online (0ms switching, zero interruption), pure sine wave output.

-DC voltage: 192Vdc (with 16 12V valve regulated sealed lead-acid batteries connected in series, the battery voltage can be set between 192~240Vdc).

-Charging current: default 6A, supports intelligent management such as three-stage charging and battery self-test.

⚡ input

-Input: single-phase three wire (L+N+PE), voltage range 80-275V (176-275V can be fully loaded, 80-176V with linear derating capacity), frequency 50/60Hz ± 10% (adaptive). Full load input power factor>0.99, current harmonics<5%.

-Output: Voltage 208/220/230/240V ± 1% (adjustable); Linear load distortion<1%, non-linear load<3%; Battery mode frequency 50/60 ± 0.2% Hz.

-Overload capacity (ambient temperature<30 ℃, mains power ≥ 200Vac): 130% maintained for 10 minutes; Maintain 150% for 30 seconds; &Maintain 500ms protection at 150%.

⚡ Physics and Environment

-Size and weight: - Rack mounted: 190 × 422 × 337mm, approximately 12.5kg.

-Tower type: 190 × 369 × 688mm, approximately 51kg (including built-in battery).

-Work noise:<55dB.

-Communication management: RS232 and EPO (emergency shutdown) interfaces are standard, supporting UPS management software and remote monitoring (SNMP card, USB card, etc. need to be optional).

-Protection functions: battery undervoltage, overload, short circuit, over temperature, input overvoltage, neutral wire reverse connection protection, etc.

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