Specification |
Hybrid Control System |
Hybrid Power Control Unit (HPCU)
Item |
Specification |
Operating Voltage (V) |
204 - 275.2 |
Operating Frequency (Hz) |
Max. 826 |
LDC Output Voltage (V) [Auxiliary 12V Battery] |
12.8 - 15.1 |
LDC Rated Power (kW) |
1.8 |
Cooling Method |
By water |
Brake Switch
▷ Type: ON/OFF Switch
Item |
Brake Pedal Release |
Brake Pedal Depressed |
|
Switch 1 |
Max. 0.5V |
Battery Voltage |
|
Switch 2 |
IG OFF |
Max. 50mV |
|
IG ON |
Battery Voltage |
Max. 0.5V |
Item |
Specification |
Gap [mm (in)] |
1.0 - 2.0 (0.039 - 0.079) |
DC Fuse
Item |
Specification |
Rated Current (A) |
30 |
Installation position |
Inside HPCU |
High Voltage Battery System |
Battery Pack Assembly
[General Specification]
Item |
Specification |
Remarks |
Number of Cells |
16 Cells × 4 Modules [64 Cell] |
1 Cell = 3.75 V |
Cell Voltage Range (V) |
2.5 - 4.2 |
|
Cell Voltage deviation (V) |
40 mV or less |
|
Type |
LiPB (Lithium ion Polymer Battery), Pouch type |
|
Rated Voltage (V) |
240 |
Terminal voltage at 1C rated discharging, 55% SOC, 20°C (68°F) |
Nominal Capacity (Ah) |
6.5 |
[Battery initial performance, 20°C (68°F)] |
[Operating Specification]
Item |
Specification |
Max. Discharging Power (kW) |
Max. 42 [55% SOC] |
Max. Charging Power (kW) |
Max. (-) 32 [55% SOC] |
Operating Voltage (V) |
160 - 275 [2.5V ≤ Cell Voltage ≤ 4.2V] |
Operating Current (A) |
(-) 250 - (+) 250 |
Power Relay Assembly (PRA)
Item |
Specification |
Rated Voltage (V) |
240 |
Rated Current (A) |
80 |
High Voltage Battery Control System |
Safety Plug
Item |
Specification |
|
Rated Voltage (V) |
450 |
|
Rated Current (A) |
80 |
|
Fuse Rated Current (A) |
125 |
|
Fuse Melting Time |
Rated Current × 110% |
Min. 4 hr |
Rated Current × 200% |
5 - 100 s |
|
Rated Current × 300% |
0.5 - 15 s |
|
Rated Current × 500% |
Max. 1 s |
Main Fuse
Item |
Specification |
|
Rated Current (A) |
450 |
|
Fuse Rated Current (A) |
125 |
|
Installation position |
Inside safety plug |
|
Fuse Melting Time |
Rated Current × 110% |
Min. 4 hr |
Rated Current × 200% |
5 - 100 s |
|
Rated Current × 300% |
0.5 - 15 s |
|
Rated Current × 500% |
Max. 1 s |
Main Relay (+)/ (-)
Item |
Specification |
|
Contact |
Rated Voltage (V) |
450 |
Rated Current (A) |
80 |
|
Coil |
Operating Voltage (V) |
12 |
Resistance (Ω) |
29.7 - 36.3[20°C (68°F)] |
Pre-Charge Relay
Item |
Specification |
|
Contact |
Rated Voltage (V) |
450 |
Rated Current (A) |
20 |
|
Coil |
Operating Voltage (V) |
12 |
Resistance (Ω) |
57 - 63 [20°C (68°F)] |
Pre-Charge Resistor
Item |
Specification |
Resistance (Ω) |
40 [20°C (68°F)] |
Rated power (W) |
40 |
Battery Current Sensor
Item |
Output Voltage (V) |
|
Max. Current (A) |
-300 (Charge) |
0.5 |
0 |
2.5 |
|
+300 (Discharge) |
4.5 |
|
Rated Current (A) |
-80 (Charge) |
0.5 |
0 |
2.5 |
|
+80 (Discharge) |
4.5 |
Battery Temperature & Air Inlet Temperature Sensor
[Air Inlet]
Temperature |
Resistance (kΩ) |
|
°C |
°F |
|
-50 |
-58 |
314.9 - 344.6 |
-40 |
-40 |
181.1 - 196.0 |
-30 |
-22 |
107.5 - 115.2 |
-20 |
-4 |
65.82 - 69.77 |
-10 |
14 |
41.43 - 43.52 |
0 |
32 |
26.74 - 27.83 |
10 |
50 |
17.67 - 18.25 |
20 |
68 |
11.94 - 12.24 |
30 |
86 |
8.214 - 8.411 |
40 |
104 |
5.738 - 5.918 |
50 |
122 |
4.082 - 4.239 |
60 |
140 |
2.954 - 3.087 |
70 |
158 |
2.172 - 2.284 |
80 |
176 |
1.621 - 1.715 |
90 |
194 |
1.227 - 1.305 |
100 |
212 |
0.941 - 1.006 |
110 |
230 |
0.731 - 0.785 |
[Battery Temperature Sensor (Side of cell)]
Temperature |
Resistance (kΩ) |
|
°C |
°F |
|
-50 |
-58 |
351.1 - 385.0 |
-40 |
-40 |
196.6 - 213.1 |
-30 |
-22 |
114.4 - 122.7 |
-20 |
-4 |
68.94 - 73.15 |
-10 |
14 |
42.59 - 44.76 |
0 |
32 |
27.14 - 28.27 |
10 |
50 |
17.78 - 18.36 |
20 |
68 |
11.96 - 12.25 |
30 |
86 |
8.202 - 8.399 |
40 |
104 |
5.721 - 5.901 |
50 |
122 |
4.069 - 4.226 |
60 |
140 |
2.945 - 3.078 |
70 |
158 |
2.169 - 2.280 |
80 |
176 |
1.622 - 1.715 |
90 |
194 |
1.228 - 1.306 |
High Voltage Battery Cooling System |
Cooling Fan
Current
Item |
Specification |
Motor max current (A) |
Below. 3.8 |
Duty
Duty (%) |
Fan Speed (rpm) |
10 |
500 |
20 |
1,000 |
30 |
1,300 |
40 |
1,600 |
50 |
1,900 |
60 |
2,200 |
70 |
2,500 |
80 |
2,800 |
90 |
3,100 |
95 |
3,850 |
Low Voltage DC/DC Converter (LDC) |
Low Voltage DC/DC Converter (LDC) [Inside HPCU]
Item |
Specification |
Input Voltage (V) |
204 - 275.2 |
Operating Frequency (Hz) |
Max. 826 |
Output Voltage (V) [Auxiliary 12V Battery] |
12.8 - 15.1 |
LDC Rated Power (kW) |
1.8 |
Cooling Method |
By water |
Tightening Torques |
Hybrid Control System
Item |
kgf·m |
N·m |
lb·ft |
Low Voltage DC/DC Converter (LDC) power output cable mounting bolt |
1.1 - 1.4 |
10.8 - 13.7 |
7.9 - 10.1 |
Low Voltage DC/DC Converter (LDC) ground cable mounting bolt |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
Reservoir mounting bolt |
0.4 - 0.6 |
3.9 - 5.9 |
2.9 - 4.3 |
Hybrid Power Control Unit (HPCU) mounting bolt |
2.2 - 2.4 |
21.6 - 23.5 |
15.9 - 17.4 |
Hybrid Power Control Unit (HPCU) Tray mounting bolt |
2.2 - 2.4 |
21.6 - 23.5 |
15.9 - 17.4 |
DC Fuse [Inside HPCU] cover mounting bolt |
0.5 - 0.7 |
4.9 - 6.9 |
3.6 - 5.1 |
DC Fuse [HPCU] mounting bolt |
0.95 - 1.05 |
9.3 - 10.3 |
6.9 - 7.6 |
High Voltage Battery System
Item |
kgf·m |
N·m |
lb·ft |
Auxiliary 12V Battery wiring harness mounting nut |
0.8 ~ 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
Safety plug cable mounting nut |
0.8 ~ 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
High voltage battery system assembly upper frame mounting bolt |
2.0 ~ 3.0 |
19.6 - 29.4 |
14.5 - 21.7 |
High voltage battery system assembly upper frame mounting nut (M8) |
2.0 ~ 3.0 |
19.6 - 29.4 |
14.5 - 21.7 |
High voltage battery system assembly upper frame mounting nut (M6) |
0.8 ~ 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
High voltage battery rear cover mounting bolt / nut |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
High voltage battery front cover mounting bolt / nut |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
Power relay assembly mounting nut |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
Power relay assembly mounting nut [High voltage battery bus bar ↔ Power
relay assembly terminal side] |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
High Voltage Battery Control System
Item |
kgf·m |
N·m |
lb·ft |
BMS ECU mounting nut |
0.8
- 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
Safety plug cable mounting nut [Frame] |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
Safey plug cavle mounting bolt [Module] |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
High Voltage Battery Cooling System
Item |
kgf·m |
N·m |
lb·ft |
Cooling fan mounting bolt / nut |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
Low Voltage DC/DC Converter (LDC)
|
kgf·m |
N·m |
lb·ft |
LDC power output cable mounting nut |
1.1 - 1.4 |
10.8 - 13.7 |
7.9 - 10.1 |
LDC ground (-) cable mounting bolt |
0.8 - 1.2 |
7.8 - 11.8 |
5.8 - 8.7 |
Hybrid Power Control Unit (HPCU) mounting bolt |
2.2 - 2.4 |
21.6 - 23.5 |
15.9 - 17.4 |
Power Cable
Item |
kgf·m |
N·m |
lb·ft |
Ground cable mounting bolt (M6) |
1.1 - 1.4 |
10.8 - 13.7 |
7.9 - 10.1 |
Auxiliary 12V battery (+) cable mounting nut [Engine room fuse & relay box]
|
1.1 - 1.4 |
10.8 - 13.7 |
7.9 - 10.1 |
Power cable mounting nut [Invertor & Engine Room Box ↔ High Voltage Battery
System] |
1.1 - 1.4 |
10.8 - 13.7 |
7.9 - 10.1 |
Kia Niro 2017 (DE HEV) Service Manual: Motor Control Unit (MCU) Components and components location
Components Location
1. HPCU assembly
...
Kia Niro (DE HEV) Owners Manual: Owner maintenance schedule
When you stop for fuel:
Check the engine oil level.
Check the coolant level in the coolant reservoir.
Check the windshield washer fluid level.
Look for low or under-inflated tires.
WARNING
Be careful when checking your engine coolant level when the engine is hot.
Scalding hot coolant ...