CAPÍTULO IV. RESULTADOS
4.1 Descripción
LIST OF ALL POSSIBLE ERROR / TRIP MESSAGES GIVEN THROUGH INTERNAL DISPLAY
Error Displayed Error Description Action to be taken
INVERTER
I N V E R T E R T R I P U V
“Inverter Output Under Voltage” trip.
The UPS output has dropped below the set voltage level.
Press RESET switch, If problem persists inform to the Authorized service personnel.
I N V E R T E R T R I P O V
“Inverter Output Over Voltage” trip.
The UPS output has risen above the set voltage level.
Press RESET switch, If problem persists inform to the given up its backup power.
Switch OFF inverter, allow the battery to get charged, press reset switch and switch ON inverter. If problem persists call dubas.
1.04 1.10 1.16 1.22 1.28 1.34 1.40 1.46
Load Current x In
I N V E R T E R T R I P B H
“DC bus HIGH” trip
This indicates that the DC bus voltage is beyond the specified limit.
Press RESET switch, If problem persists inform to the
“Inverter Over Load or Over current” trip.
This indicates that the Inverter Output
Battery is discharged to its end cell cut-Off voltage
Ensure load is switched OFF or input source is restored.
Error Displayed Error Description Action to be taken
CONVERTER
of the nominal input voltage)
Wait till the Input source is (Below 10% of the nominal input voltage)
Wait till the Input source is
This indicates that the line current is more than the rated current of the system.
If it happens frequently, then check the Inverter load & check input voltage. If problem raised above the specified level.
Press RESET switch, If problem persists inform to the
Glossary
UPS : Un-interrupted Power Supply IT : Isolation Transformer
Inv. : Inverter Conv. : Converter
9.0 FAILURE REPORT
All failures to be reported to Service Department, DUBAS ENGINEERING PVT. LTD
Before reporting a complaint call, check the following.
1. Input breaker ON.
2. Battery MCCB ON.
3. Output Distribution is OK.
4. No excessive or faults loads are connected.
While reporting a faulty; please inform, 1. Nature of fault
2. Indication on the, front panel.
3. Serial number of the unit / rating of the unit / date of installation / location / premises / name of the contact person.
Please register your call at the following address
DUBAS ENGINEERING PVT. LTD.,
# 43(P) 2nd Phase, Electronics City, Hosur Main Road Bangalore - 560 100
Phone: (080) 4033 6000 Fax: (080) 4033 6222
10.0 WARRANTY DETAILS
dubas engineering pvt. Ltd. warrants its products against all manufacturing defects, faulty workmanship for a period of 12 months from the date of Invoice, subjected to the terms and condition mentioned below.
TERMS AND CONDITIONS
1. The customer will notify the company promptly of any defects noticed and give the company adequate opportunity to inspect Test, and remedy them, for which the customer will deposit the goods if necessary with company’s office/service center along with original invoice.
2. Inspections and Test Report of the Company/Service Center will be final and binding under the warranty for determining defects, repairs/ alterations required or carried out or certifying working of goods thereafter. The company is entitled to retain any defective parts replaced under the warranty.
3. The company’s liabilities under the warranty will be limited only to defects, which occur under.
4. Conditions of normal operations and proper use. It excludes defects occurring because of abuse, faulty care, or maintenance repairs/ alteration to goods or parts by unauthorized persons, use under conditions beyond specified or damage caused by lightening.
5. In case Batteries are used along with our system the responsibility to do regular maintenance of the batteries lie with the customer. Customers are required to maintain the batteries under optimum working conditions as specified by the battery manufacturer’s certification that the batteries are well maintained.
6. Our warranty or any other services is limited to manufacturing defects in the equipment only.
11.0 QUALITY POLICY
We shall strive continually to be a dedicated team delivering UN compromised quality products and services, befitting and be-timed value to accomplish highest customer satisfaction.
12.0 ELECTRICITY SUPPLY – BETTER WAY
At any moment an AC mains supply can be subjected to the electrical disturbances such as spikes (usually lightning induced), electrical noise (flashes on monitors and TV screens), sags (lights go dim), surges (lights go bright) and blackouts or complete loss of power.
1. Blackout – Blackouts can be caused by excessive demand on the power grid, lightning storms, equipment failure or any accident, which brings down a power line.
2. Sag or Brownout – Sags or brownouts can be caused by heavy equipment coming on-line, short circuits, undersized electrical circuitry, or when the utility company deliberately decreases voltage levels in order to cope with peak load times (rolling brown outs). Brownouts usually occur during the summer heat waves.
3. Spikes – Spikes are generally caused by a nearby lightning strike, or if utility power lines are downed in a storm or as a result of an accident.
4. Surge – A surge is usually caused when high-powered appliances in the area are turned off. Short circuits or undersized electrical circuits can also cause them.
5. Noise – Lightning, load switching, generators, transmitters, transformers, and industrial equipment can cause EMI and RFI noise.
These electrical disturbances will damage sensitive electrical / electronic equipments, unscheduled Power shutdown, corruption of data, system hangs ups etc. These disturbances can be prevented and it comes in the form of Uninterruptible Power Supply (UPS).
13.0 PRODUCT VARIETIES
1. UPS SYSTEMS:
DU-Series are available from 1 KVA to 120KVA range
GX-Series are available from 6KVA to 480KVA in single modules. Seamless paralleling up to 6 modules are possible in the GX-Series.
DUBAS UPS Systems are employed in thousands of mission critical applications in Data Centres, Hospitals, Avionics, Critical Railway applications etc.
2. INDUSTRIAL STABILIZERS:
Industrial Voltage Stabilizers are available from 1KVA to 1200KVA.
Air cooled versions are available up to 250KVA and Oil cooled versions are available up to 1200KVA Dubas Stabilizers are deployed in various countries in critical applications safeguarding various critical loads from voltage uncertainties.
3. FREQUENCY CONVERTERS:
Frequency converters are available up to 200KVA rating with various voltage configurations. dubas is a premier supplier of 60HZ or 400HZ Frequency converters for critical test laboratories and avionics industry.
4. DC POWER PLANTS:
Dubas manufactures entire range of thyristor based rectifiers / chargers up to 900 Amps in various voltage configurations. Major users include Power Substations, Process Plants, and Telecom Networks etc.
5. ULTRA ISOLATION TRANSFORMERS:
Ultra Isolation Transformers are available from 1KVA to 200KVA range in air-cooled version; the equipments can be configured for any specified voltage configurations. These transformers provide ultimate isolation parameters for critical loads against switching spikes, surges and any electrical ground noise.
14.0 MAJOR BILL OF MATERIALS
3. SOFTSTART MODULE ONU-31/85/268/GX3-SSM ---- 1
4. CON BRIDGE MODULE CONV/3FC/85I/268/GX3-CBM ---- 1
5. CAPACITOR MODULE ONU-31/85/268/GX3-CM ---- 1
6. BUCK CON MODULE ONU-31/85/268/GX3-BCM ---- 1
7. MAIN CONTROL CARD MODULE ONU-31/85/268/GX3-MCCM ---- 1
8. POWER SUPPLY MODULE ONU-31/85/268/GX3-PSM ---- 1
9. FAN POWER SUPPLY MODULE ONU-31/85/268/GX3-FPSM ---- 1
10. LCD DISPLAY DU3013R1 -- 1
23. CAPACITOR MODULE ONU-31/85/268/GX3-CM ---- 1
24. MAIN CONTROL CARD MODULE ONU-31/85/268/GX3-MCCM ---- 1
25. POWER SUPPLY MODULE ONU-31/85/268/GX3-PSM ---- 1
26. FAN POWER SUPPLY & PARALLEL
BLOCK MODULE ONU-31/85/268/GX3-FPSPBM ---- 1
27. SPACE HEATER 80W 230V AC SPH 1
37. UPS OUTPUT MCCB 400 A, 3P, 415VAC
44. BUCK BOOST TRANSFORMER SCVS/11/85/00-ITSP BB1&BB2 2
45. SENSING TRANSFORMER DU-SVS-SENS-01 ST1 1
46. ISOLATION TRANSFORMER IT-31/85/00/TX-F TXM3 1
47. VARIAC 60A 2COIL A/C TYPE VR1&VR2 2
Sl.No ITEM DESCRIPTION MAKE
1 MAGNETICS DUBAS
2 SWITCHGEAR / MCCB SCHNEIDER / ABB / L & T / SEIMENS
3 PCA DUBAS
4 CAPACITOR SARDA / ALCON / RESCON / KENDEIL
5 COOLING FAN HICOOL / NISIKI / SUNON
6 IGBT SEMIKRON/FUJI/INFINEON/ MITSUBISHI
7 ENCLOSURE DUBAS
8 BATTERY EXIDE
9 VARIAC RADIOTONE
10 SERVO MOTOR PRECISSION / ALL-STEP
11 METER EIC