Uninterruptible power supply (UPS)Uninterruptible power supply (UPS series)
Power supply with high efficiency, high quality, and high reliability protects important loads from power failure.
Product Features
We have been producing and conducting sales of uninterruptible power supply (UPS) from 1961 to today, and it has been used by customers in various industries.
We have two types of lineups, the 400V input/output series and the 200V input/output series, for the three-phase output UPS, and both of them have implemented high efficiency, space saving, and longer operational life of the main periodical replacement parts.
- Reduction of electricity cost through high efficiency (97% or more with the 400 V series, 92% or more with the 200 V series)
- Reduction of operating cost with longer operational life of the periodical replacement parts
- Effective utilization of customer's space in a space saving
- Output voltage transient variation characteristics (IEC62040-class 1 compliance) of the industry's highest class
- 24-hour 365-day security support system with a remote monitoring function (optional)
Applications and Solutions
Our UPS is used in the important load facilities of various customers including financial services, broadcasting, government offices (prefectural office buildings and city halls), public facilities, data centers, and general buildings.
Meidensha Corporation provides the optimal UPS system meeting customer's needs.
Single machine system
- A system configured with one UPS
- During UPS inspection, power supply is continued to the load by the maintenance bypass circuit.
Parallel / individual switching system
- Parallel system is configured by connecting multiple UPS which have built-in bypass switching circuit in parallel and has no common switching circuit.
- Even if several UPS were failed, only the failed machines would be removed from the parallel connection, and the system can be continue powered by those working machines.
- During inspection, the UPS can be continue powered by parallel release / parallel input of UPS one by one.
Common spare system
- This system configures multiple UPS for each targeted load and backs them up with buckup UPS
- The UPS power supply is carried out from the common machines during failure of the regular machines.
Specifications
| 200 V series (transformer system) |
400 V series (transformerless system) |
||
|---|---|---|---|
| Equipment method | Regular inverter power supply system | ||
| Rated capacity | 20-300kVA | 500kVA | |
| Compensation time (standard) | 5 min, 10 min | ||
| Overall efficiency | 92% or more | 97% or more | |
| AC input | Rated voltage (allowable fluctuation range) |
200,210.220V | 415、420V |
| ±10% | |||
| Source resultant pulse number | Three-phase three-wire | ||
| Frequency (allowable fluctuation range) |
50 Hz or 60 Hz | ||
| ±5% | |||
| AC output | Rated voltage | 200,210.220V | 415、420V |
| Voltage accuracy | ±1% | ||
| Source resultant pulse number | Three-phase three-wire | ||
| Rated power factor | Delay 0.9 | Delay 0.9 (option 1.0) | |
| Type of rating | 100% consecutive 125% 10 min 150% 1 min |
100% consecutive |
|
| Voltage transient variation Rapid change of input voltage (±10%) At power failure and recovery of commercial power source Rapid change of load (0⇔100%) Output switching (bypass⇔UPS) At parallel connection and removal (same setting time as above) |
|||
| ±2% | ±1% | ||
| ±2% | ±1% | ||
| ±5% | ±3% | ||
| ±5% | ±5% | ||
| ±5% | ±5% | ||
| 30 ms or less | 20 ms or less | ||
| Accuracy of frequency | ±0.01% (at internal oscillation) | ||
| Distortion factor of voltage waveform | 2.0% (at linear load) | ||
| 5.0% (at rectifier load) | |||
| Energy storage device | Lead storage battery | ||
| Cooling system | Reinforced air cooling | ||
| Ambient temperature / relative humidity | 0-40°C/15-90% | ||
High efficiency & High performance
High efficiency
- UPS transformer 200 V series
- Overall efficiency of 92% or more has been achieved in a range from 20 kVA to 300 kVA. The highest level of a transformer system (built-in inverter transformer) in the industry. In particular, efficiency of 92.5% has been achieved for the 300 kVA machine.
- UPS transformer 400V series
- The 97%, which is the highest level of overall efficiency of the 400 V series transformerless type in the industry, has been achieved by using a three-level method for the PWM conversion circuit.
High performance
With its performance that can satisfy the output transient voltage characteristics required in JEC2433-2003 Class 1 during 100% load rapid change, it allows us to provide a stable power source to customers.
Space saving
- Board dimensions of the UPS transformer 200 V series
- The dimensions are reduced by 40% compared to the conventional board. (300 kVA machine)
- Board dimensions of the UPS transformerless 400V series
- The dimensions are reduced by 33% compared to the conventional board.
Maintenance and service
The times of replacement of the main maintenance parts were reduced for 15 years of the operational life that is expected for the equipment.
- Cooling fan 8 years
- Control power source 15 years
- Electrolytic capacitor 15 years
We provide a security system by remote monitoring (*1), 24-hour Meiden customer center, and maintenance contract (*1).
The functions that can be provided by the information communication terminal are as follows.
- Monitoring function (measurement, failure condition, machine condition)
- Recording function (document, logger, system history)
- Mail notification function
- Data storage and downloading function
- Inquiries about this product