TYPE OF GENERATORS
Hybrid Solar Power
Generation System
(Sample)
REGULATIONS
FOR GEN-SET PRODUCTION
Capacity
* Emergency output: For 110% overload on the rated output. When using the maximum of 500 hours annually with the average load of 70 ~ 75%
* Continuous output: The continuous operation for an hour or above with the annual average of the usage for 70~75%
- kW = kVA x 0.8 (Power Factor),
- 760mmHg, 25°C, relative humidity of 30% basis.
Voltage
* Standard Specification (3∅ 4W):
208/120V, 220/127V, 380/220V, 440/254V
* Order-made (3∅ 3W): High Voltage 3300V, 6600V
- 3∅ 4W Voltage Display: The rated voltage / Phase voltage, or the rated voltage only
(Rated voltage = Line voltage)
No. of Rotation & Frequency
* 60Hz = 1800 / 50Hz = 1500
Alternator Type
* Type: Revolving field type (Rotator: Salient pole field type)
* Excitation Type: Self-excited / Brushless
* Phase: 3∅ 4W / 3∅ 3W for High Voltage
* Power Factor: 0.8
* No. of Pole: 4 poles
* Insulation Grade: H Class
* Protection Type: IP 21
* Ventilation Method: Self-ventilated
* Bearing Type: Single ball bearing
Alternator Properties
Service Environment
Cooling Method
* Water cooled radiator attached (Heat-exchange type
is optional)
* As the heat-exchange type is not well-ventilated, the
underground water and coolant shall be supplied sufficiently,
and this has advantages on noises; however, it generally
requires a considerable installation / construction costs.
Protective Functions
* Low Lubricant Pressure: 0.6kg/cm3
* High Temp. Coolant: 95°C or 103°C, or above
* Engine Overspeed: 120% of the rated or above
* No. of Starting Failure: 3 times
* Overvoltage: 110% of the rated voltage or above
(100 ~ 150%)
* Low voltage: 90% of the rated voltage or below
(60 ~ 90%)
* Overcurrent: 120% of the rated current or above
(110 ~ 150%)
Test Inspection & Properties
1. Structure & Visual Inspections
- There shall not be any damage, and oil/water leakage.
- The condition of the terminal and its connections shall be
fine.
- The number of wiring shall be accorded with the diagram.
- The engine oil level shall be within the upper/lower limit
of the level gauge.
2. Starting Test
- MANUAL: It shall be started by the key software within
30 seconds after cranking, however, P.B. shall be used for a
separate/stand-alone type.
- AUTOMATIC: When there is a commercial power outage, start the generator within 30 seconds after the cranking
3. Load Test:
Load test shall be fine for continuous and load variation
testing of 100% - 0% - 25% - 50% - 75% - 100%. - 10 minutes for
each load.
4. Overload Test: Test shall be fine when driving for
1 hour at 110% load – 110% load (Emergency output)
5. Voltage Adjustment Range: ±5% of the rated voltage
or above
6. Steady state & Transient state of the Voltage Regulation
- Steady State: When regulating the steady state voltage
from the full load to no load, or no load to the full load,
it shall be within ±2.5% (the range of fluctuation shall be 5%).
- Transient State: When regulating the transient state rapidly from the full load to no load, or no load to the full load, the maximum voltage regulation rate shall be within 30%,
the time of return shall be within 2 seconds, and the range of fluctuation shall be within 6%. - C, T & Reactor shall be
within 20%.
7. Frequency Fluctuation Rate (Range of fluctuation): When changing the load from the full load to no load, or no load to the full load, the rate of frequency fluctuation shall be within 5% of the rated frequency.
8. Temperature Rise Test: The condition of temperature rise, after the load test until the temperature of the alternator to
the saturation state.
- Stator Winding: 100°C or below (Resistance Method)
- Field Winding: 100°C or below (Resistance Method)
- Bearing: 40°C or below (Thermometer Method)
- Frame: 70°C or below (Thermometer Method)
9. Overcurrent Test: When applying 150% of the rated
current, there shall not be any abnormality for 15 seconds.
10. Waveform Distortion Rate: There shall be within 10% of
the sinusoidal (sine) wave at the rated voltage with no load
11. Insulation Resistance:
-The resistance between armature winding per each phase
and the ground at the saturation state shall be 3MΩ
or above ( ㉿ )
- The resistance between the field winding and the ground
shall be 3MΩ or above ( ㉿ )
12. Short-circuit Ratio: This shall be 0.4 or above at no load
properties when testing the short-circuit
13. Withstand Voltage Test
- Between the armature winding per each phase and the
ground
- Between the field winding and the ground
- 2E+1000V (1500V minimum) E : The rated voltage
- 10E X (1500V minimum) Ex : Field voltage
- There shall not be any abnormality for a minute or
above, when applying the above conditions.
14. Overspeed Test: There shall be no mechanical issue,
when running for a minute at the 120% revolution count
of the rated speed
– This could be replaced with the protection/safety
circuit test
15. Protection Circuit:
- Temperature rise of the coolant: 95 ~ 103 °C
or above – Engine Stop
- Low lubricant pressure: 0.6kg/cm3
or below - Alarm bell display
- Engine and Speed: 120% of the rated speed
or above – Lamp On
TECHNICAL DATA
FOR GEN-SET INSTALLATIONS
Technical Data per Generator Model
Please refer to technical data for each gen-set model as follows.
* When installing seismic stoppers regarding the vibration-proof, the width of the generator pad shall be expanded by 400mm.
* Specifications are subject to change without prior notice for improving performance of products.
PREPARATIONS BY CUSTOMERS
1. Equipment Entrance
2. Air inlet and outlet
3. Chimney for exhaust gas
4. Ground connection of a gen-set (N phase 2 type)
5. Grounding of a control panels (3 type)
6. Power single phase 220V (1~2 kW charger, for
a heater) draws from the 1st ATS
7. UVR (Undervoltage relay) point of contact
(If requested)
8. Fire monitoring control lines (6P) to monitor
generator condition and starting failures
INSTALLATION OVERVIEW
Types of Generator Sets
INSTALLATION PARTS
TYPES OF GENERATORS
(Sample) Hybrid Solar Power Generation System
REGULATIONS FOR GEN-SET PRODUCTION
Capacity
* Emergency output: For 110% overload on the rated output.
When using the maximum of 500 hours annually
with the average load of 70 ~ 75%
* Continuous output: The continuous operation for an hour
or above with the annual average of the usage for 70~75%
kW = kVA x 0.8 (Power Factor),
- 760mmHg, 25°C, relative humidity of 30% basis.
Voltage
* Standard Specification (3∅ 4W):
208/120V, 220/127V, 380/220V, 440/254V
* Order-made (3∅ 3W): High Voltage 3300V, 6600V
- 3∅ 4W Voltage Display: The rated voltage / Phase voltage,
or the rated voltage only
(Rated voltage = Line voltage)
No. of Rotation & Frequency
* 60Hz = 1800 / 50Hz = 1500
Alternator Type
* Type: Revolving field type (Rotator: Salient pole field type)
* Excitation Type: Self-excited / Brushless
* Phase: 3∅ 4W / 3∅ 3W for High Voltage
* Power Factor: 0.8
* No. of Pole: 4 poles
* Insulation Grade: H Class
* Protection Type: IP 21
* Ventilation Method: Self-ventilated
* Bearing Type: Single ball bearing
Alternator Properties
Service Environment
Cooling Method
* Water cooled radiator attached (Heat-exchange type is optional)
* As the heat-exchange type is not well-ventilated, the underground water and coolant shall be supplied sufficiently, and this has advantages on noises; however, it generally requires a considerable installation / construction costs.
Protective Functions
* Low Lubricant Pressure: 0.6kg/cm3
* High Temp. Coolant: 95°C or 103°C, or above
* Engine Overspeed: 120% of the rated or above
* No. of Starting Failure: 3 times
* Overvoltage: 110% of the rated voltage or above (100 ~ 150%)
* Low voltage: 90% of the rated voltage or below (60 ~ 90%)
* Overcurrent: 120% of the rated current or above (110 ~ 150%)
Test Inspection & Properties
1. Structure & Visual Inspections
- There shall not be any damage, and oil/water leakage.
- The condition of the terminal and its connections shall be fine.
- The number of wiring shall be accorded with the diagram.
- The engine oil level shall be within the upper/lower limit of the level gauge.
2. Starting Test
- MANUAL: It shall be started by the key software within 30 seconds after cranking, however, P.B. shall be used for a separate/stand-alone type.
- AUTOMATIC: When there is a commercial power outage, start the generator within 30 seconds after the cranking
3. Load Test:
Load test shall be fine for continuous and load variation testing of 100% - 0% - 25% - 50% - 75% - 100%. - 10 minutes for each load.
4. Overload Test: Test shall be fine when driving for 1 hour at 110% load – 110% load (Emergency output)
5. Voltage Adjustment Range: ±5% of the rated voltage or above
6. Steady state & Transient state of the Voltage Regulation
- Steady State: When regulating the steady state voltage from the full load to no load, or no load to the full load, it shall be within ±2.5% (the range of fluctuation shall be 5%).
- Transient State: When regulating the transient state rapidly from the full load to no load, or no load to the full load, the maximum voltage regulation rate shall be within 30%, the time of return shall be within 2 seconds, and the range of fluctuation shall be within 6%. - C, T & Reactor shall be within 20%.
7. Frequency Fluctuation Rate (Range of fluctuation): When changing the load from the full load to no load, or no load to the full load, the rate of frequency fluctuation shall be within 5% of the rated frequency.
8. Temperature Rise Test: The condition of temperature rise, after the load test until the temperature of the alternator to the saturation state.
- Stator Winding: 100°C or below (Resistance Method)
- Field Winding: 100°C or below (Resistance Method)
- Bearing: 40°C or below (Thermometer Method)
- Frame: 70°C or below (Thermometer Method)
9. Overcurrent Test: When applying 150% of the rated current, there shall not be any abnormality for 15 seconds.
10. Waveform Distortion Rate: There shall be within 10% of the sinusoidal (sine) wave at the rated voltage with no load
11. Insulation Resistance:
-The resistance between armature winding per each phase and the ground at the saturation state shall be 3MΩ or above ( ㉿ )
- The resistance between the field winding and the ground shall be 3MΩ or above ( ㉿ )
12. Short-circuit Ratio: This shall be 0.4 or above at no load properties when testing the short-circuit
13. Withstand Voltage Test
- Between the armature winding per each phase and the ground
- Between the field winding and the ground
- 2E+1000V (1500V minimum) E : The rated voltage
- 10E X (1500V minimum) Ex : Field voltage
- There shall not be any abnormality for a minute or above,
when applying the above conditions.
14. Overspeed Test: There shall be no mechanical issue, when running for a minute at the 120% revolution count of the rated speed
– This could be replaced with the protection/safety circuit test
15. Protection Circuit:
- Temperature rise of the coolant: 95 ~ 103 °C or above – Engine Stop
- Low lubricant pressure: 0.6kg/cm3 or below - Alarm bell display
- Engine and Speed: 120% of the rated speed or above – Lamp On
TECHNICAL DATA FOR GEN-SET INSTALLATIONS
* When installing seismic stoppers regarding the vibration-proof, the width of the generator pad shall be expanded by 400mm.
* Specifications are subject to change without prior notice for improving performance of products.
PREPARATIONS BY CUSTOMERS
1. Equipment Entrance
2. Air inlet and outlet
3. Chimney for exhaust gas
4. Ground connection of a gen-set (N phase 2 type)
5. Grounding of a control panels (3 type)
6. Power single phase 220V (1~2 kW charger, for a heater) draws from the 1st ATS
7. UVR (Undervoltage relay) point of contact (If requested)
8. Fire monitoring control lines (6P) to monitor generator condition and starting failures
INSTALLATION OVERVIEW
(SAMPLE)
INSTALLATION PARTS
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